56577408679 has 8 divisors (see below), whose sum is σ = 61830444672. Its totient is φ = 51342645240.

The previous prime is 56577408673. The next prime is 56577408761. The reversal of 56577408679 is 97680477565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56577408679 - 2²⁵ = 56543854247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56577408679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577408673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561659 + ... + 4574044.

It is an arithmetic number, because the mean of its divisors is an integer number (7728805584).

Almost surely, 2^56577408679 is an apocalyptic number.

56577408679 is a deficient number, since it is larger than the sum of its proper divisors (5253035993).

56577408679 is a wasteful number, since it uses less digits than its factorization.

56577408679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136277.

The product of its (nonzero) digits is 88905600, while the sum is 64.

The spelling of 56577408679 in words is "fifty-six billion, five hundred seventy-seven million, four hundred eight thousand, six hundred seventy-nine".