56869764388 has 12 divisors (see below), whose sum is σ = 99652871052. Its totient is φ = 28397515520.

The previous prime is 56869764361. The next prime is 56869764397. The reversal of 56869764388 is 88346796865.

It can be written as a sum of positive squares in 2 ways, for example, as 5180832484 + 51688931904 = 71978^2 + 227352^2 .

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, 9338245 + ... + 9344332.

It is an arithmetic number, because the mean of its divisors is an integer number (8304405921).

Almost surely, 2^56869764388 is an apocalyptic number.

It is an amenable number.

56869764388 is a deficient number, since it is larger than the sum of its proper divisors (42783106664).

56869764388 is a wasteful number, since it uses less digits than its factorization.

56869764388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18683342 (or 18683340 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 70.

The spelling of 56869764388 in words is "fifty-six billion, eight hundred sixty-nine million, seven hundred sixty-four thousand, three hundred eighty-eight".