56967856887 has 16 divisors (see below), whose sum is σ = 76755194208. Its totient is φ = 37579996800.

The previous prime is 56967856879. The next prime is 56967856903. The reversal of 56967856887 is 78865876965.

56967856887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56967856887 - 2³ = 56967856879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56967856487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457453 + ... + 568505.

It is an arithmetic number, because the mean of its divisors is an integer number (4797199638).

Almost surely, 2^56967856887 is an apocalyptic number.

56967856887 is a deficient number, since it is larger than the sum of its proper divisors (19787337321).

56967856887 is a wasteful number, since it uses less digits than its factorization.

56967856887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112850.

The product of its digits is 1219276800, while the sum is 75.

The spelling of 56967856887 in words is "fifty-six billion, nine hundred sixty-seven million, eight hundred fifty-six thousand, eight hundred eighty-seven".