56784248764 has 12 divisors (see below), whose sum is σ = 101001492088. Its totient is φ = 27926679600.

The previous prime is 56784248713. The next prime is 56784248797. The reversal of 56784248764 is 46784248765.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

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, 116360922 + ... + 116361409.

Almost surely, 2^56784248764 is an apocalyptic number.

It is an amenable number.

56784248764 is a deficient number, since it is larger than the sum of its proper divisors (44217243324).

56784248764 is a wasteful number, since it uses less digits than its factorization.

56784248764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232722396 (or 232722394 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 61.

Subtracting from 56784248764 its reverse (46784248765), we obtain a palindrome (9999999999).

The spelling of 56784248764 in words is "fifty-six billion, seven hundred eighty-four million, two hundred forty-eight thousand, seven hundred sixty-four".