56977190899 has 8 divisors (see below), whose sum is σ = 60136791440. Its totient is φ = 53833670496.

The previous prime is 56977190873. The next prime is 56977190917. The reversal of 56977190899 is 99809177965.

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 56977190899 - 2⁷ = 56977190771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56977190819) 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, 4012752 + ... + 4026925.

It is an arithmetic number, because the mean of its divisors is an integer number (7517098930).

Almost surely, 2^56977190899 is an apocalyptic number.

56977190899 is a deficient number, since it is larger than the sum of its proper divisors (3159600541).

56977190899 is a wasteful number, since it uses less digits than its factorization.

56977190899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040069.

The product of its (nonzero) digits is 77157360, while the sum is 70.

The spelling of 56977190899 in words is "fifty-six billion, nine hundred seventy-seven million, one hundred ninety thousand, eight hundred ninety-nine".