56886600668865 has 32 divisors (see below), whose sum is σ = 99453384576000. Its totient is φ = 27536824125120.

The previous prime is 56886600668837. The next prime is 56886600668903.

56886600668865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56886600668865 - 2²⁰ = 56886599620289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278385165 + ... + 278589434.

It is an arithmetic number, because the mean of its divisors is an integer number (3107918268000).

Almost surely, 2^{56886600668865} is an apocalyptic number.

56886600668865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56886600668865 is a deficient number, since it is larger than the sum of its proper divisors (42566783907135).

56886600668865 is a wasteful number, since it uses less digits than its factorization.

56886600668865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556975237.

The product of its (nonzero) digits is 4777574400, while the sum is 78.

The spelling of 56886600668865 in words is "fifty-six trillion, eight hundred eighty-six billion, six hundred million, six hundred sixty-eight thousand, eight hundred sixty-five".