56879531262831 has 32 divisors (see below), whose sum is σ = 80137482557440. Its totient is φ = 35786097787104.

The previous prime is 56879531262823. The next prime is 56879531262877. The reversal of 56879531262831 is 13826213597865.

It is not a de Polignac number, because 56879531262831 - 2³ = 56879531262823 is a prime.

It is a super-2 number, since 2×56879531262831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56879531261831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29207526 + ... + 31094028.

It is an arithmetic number, because the mean of its divisors is an integer number (2504296329920).

Almost surely, 2^{56879531262831} is an apocalyptic number.

56879531262831 is a deficient number, since it is larger than the sum of its proper divisors (23257951294609).

56879531262831 is a wasteful number, since it uses less digits than its factorization.

56879531262831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888555.

The product of its digits is 130636800, while the sum is 66.

The spelling of 56879531262831 in words is "fifty-six trillion, eight hundred seventy-nine billion, five hundred thirty-one million, two hundred sixty-two thousand, eight hundred thirty-one".