56785858764 has 12 divisors (see below), whose sum is σ = 132500337144. Its totient is φ = 18928619584.

The previous prime is 56785858739. The next prime is 56785858783. The reversal of 56785858764 is 46785858765.

56785858764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366077437 + ... + 2366077460.

It is an arithmetic number, because the mean of its divisors is an integer number (11041694762).

Almost surely, 2^56785858764 is an apocalyptic number.

It is an amenable number.

56785858764 is an abundant number, since it is smaller than the sum of its proper divisors (75714478380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56785858764 is a wasteful number, since it uses less digits than its factorization.

56785858764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732154904 (or 4732154902 counting only the distinct ones).

The product of its digits is 451584000, while the sum is 69.

Subtracting from 56785858764 its reverse (46785858765), we obtain a palindrome (9999999999).

The spelling of 56785858764 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred fifty-eight thousand, seven hundred sixty-four".