56835477277 has 2 divisors, whose sum is σ = 56835477278. Its totient is φ = 56835477276.

The previous prime is 56835477241. The next prime is 56835477289. The reversal of 56835477277 is 77277453865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56824547641 + 10929636 = 238379^2 + 3306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56835477277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56835477217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28417738638 + 28417738639.

It is an arithmetic number, because the mean of its divisors is an integer number (28417738639).

Almost surely, 2^56835477277 is an apocalyptic number.

It is an amenable number.

56835477277 is a deficient number, since it is larger than the sum of its proper divisors (1).

56835477277 is an equidigital number, since it uses as much as digits as its factorization.

56835477277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69148800, while the sum is 61.

The spelling of 56835477277 in words is "fifty-six billion, eight hundred thirty-five million, four hundred seventy-seven thousand, two hundred seventy-seven".