New posts in Totient Function

The most peculiar totient sum: $\sum_{n=1}^{\infty} \frac{\phi(n)}{5^n +1}$

Alternative proof of : $n = \sum_{d|n} \phi(d)$ which is the sum of Euler Phi Function over Divisors

Iterated Euler's totient function

totient function series diverges?

Dirichlet Convolution of the Mobius Function with Itself

A possible Property of Euler's totient function: $n$ such that $\varphi(n)$ and $\varphi(n+1)$ are both powers of two

About phi function

Proving the Converse of Euler's Totient Theorem

For all $n$ there exists $x$ such that $\varphi(x)<\varphi(x+1)<\ldots<\varphi(x+n)$

Calculating Euler's totient function values.