57018792797777 has 2 divisors, whose sum is σ = 57018792797778. Its totient is φ = 57018792797776.

The previous prime is 57018792797713. The next prime is 57018792797809. The reversal of 57018792797777 is 77779729781075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46140379314241 + 10878413483536 = 6792671^2 + 3298244^2 .

It is a cyclic number.

It is not a de Polignac number, because 57018792797777 - 2⁶ = 57018792797713 is a prime.

It is a super-2 number, since 2×57018792797777² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57018792797695 and 57018792797704.

It is not a weakly prime, because it can be changed into another prime (57018792757777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28509396398888 + 28509396398889.

It is an arithmetic number, because the mean of its divisors is an integer number (28509396398889).

Almost surely, 2^{57018792797777} is an apocalyptic number.

It is an amenable number.

57018792797777 is a deficient number, since it is larger than the sum of its proper divisors (1).

57018792797777 is an equidigital number, since it uses as much as digits as its factorization.

57018792797777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5336558640, while the sum is 83.

The spelling of 57018792797777 in words is "fifty-seven trillion, eighteen billion, seven hundred ninety-two million, seven hundred ninety-seven thousand, seven hundred seventy-seven".