56979769308 has 48 divisors (see below), whose sum is σ = 165759331584. Its totient is φ = 14799939840.

The previous prime is 56979769289. The next prime is 56979769321. The reversal of 56979769308 is 80396797965.

It is a super-2 number, since 2×56979769308² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30832285 + ... + 30834132.

It is an arithmetic number, because the mean of its divisors is an integer number (3453319408).

Almost surely, 2^56979769308 is an apocalyptic number.

It is an amenable number.

56979769308 is an abundant number, since it is smaller than the sum of its proper divisors (108779562276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56979769308 is a wasteful number, since it uses less digits than its factorization.

56979769308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61666442 (or 61666440 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 69.

The spelling of 56979769308 in words is "fifty-six billion, nine hundred seventy-nine million, seven hundred sixty-nine thousand, three hundred eight".