Euler's phi function and Multiplicative inverse
978
Solving $ax \equiv c \pmod b$ efficiently when $a,b$ are not coprime
15000
Show that number of elements in $(Z/nZ)^*$ is $\phi (n)$
78166
Inverse function for a non-decreasing CDF
94855
Prove if a (mod n) has a multiplicative inverse, then it's unique
45958
Proof that the Euler characteristic is additive
124220
Using Euler's Totient Function, how do I find all values n such that $\phi(n)=12$?
52951
Find all $n \in \mathbb{Z^+}$ such that $\phi(n)=4$
92959
How to show $\gamma$ aka Euler's constant is convergent?
51465
New, elegant proofs for $\varphi(p^{k})=p^{k}-p^{k-1}$
12949
Inductive Proof of Euler's Formula $v-e+r=2$
20801
Application of inverse function theorem for several variable functions
44879
Multiplicative inverse questions
149509
What method would you go through to find an $n$ such that $\phi(n)=100$?
119118
Prove $n\mid \phi(2^n-1)$
61858
Is there $\phi(n)=n/6$
45280
Is there an Inverse Gamma $\Gamma^{-1} (z) $ function?
62067
Inverse function of $x^x$