56577380679 has 12 divisors (see below), whose sum is σ = 83461668576. Its totient is φ = 36915737472.

The previous prime is 56577380653. The next prime is 56577380681. The reversal of 56577380679 is 97608377565.

56577380679 is a `hidden beast` number, since 56 + 577 + 3 + 8 + 0 + 6 + 7 + 9 = 666.

It is not a de Polignac number, because 56577380679 - 2¹¹ = 56577378631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577380779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66875914 + ... + 66876759.

It is an arithmetic number, because the mean of its divisors is an integer number (6955139048).

Almost surely, 2^56577380679 is an apocalyptic number.

56577380679 is a deficient number, since it is larger than the sum of its proper divisors (26884287897).

56577380679 is a wasteful number, since it uses less digits than its factorization.

56577380679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133752726 (or 133752723 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 56577380679 in words is "fifty-six billion, five hundred seventy-seven million, three hundred eighty thousand, six hundred seventy-nine".