56787588764 has 24 divisors (see below), whose sum is σ = 103589917200. Its totient is φ = 27205418240.

The previous prime is 56787588751. The next prime is 56787588769. The reversal of 56787588764 is 46788578765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56787588769) 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, 1853309 + ... + 1883700.

It is an arithmetic number, because the mean of its divisors is an integer number (4316246550).

Almost surely, 2^56787588764 is an apocalyptic number.

It is an amenable number.

56787588764 is a deficient number, since it is larger than the sum of its proper divisors (46802328436).

56787588764 is a wasteful number, since it uses less digits than its factorization.

56787588764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737173 (or 3737171 counting only the distinct ones).

The product of its digits is 632217600, while the sum is 71.

Subtracting from 56787588764 its reverse (46788578765), we obtain a palindrome (9999009999).

The spelling of 56787588764 in words is "fifty-six billion, seven hundred eighty-seven million, five hundred eighty-eight thousand, seven hundred sixty-four".