56847784392 has 128 divisors (see below), whose sum is σ = 180830361600. Its totient is φ = 16209716544.

The previous prime is 56847784379. The next prime is 56847784421. The reversal of 56847784392 is 29348774865.

56847784392 is a `hidden beast` number, since 56 + 8 + 477 + 84 + 39 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723163 + ... + 797909.

It is an arithmetic number, because the mean of its divisors is an integer number (1412737200).

Almost surely, 2^56847784392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56847784392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90415180800).

56847784392 is an abundant number, since it is smaller than the sum of its proper divisors (123982577208).

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

56847784392 is a wasteful number, since it uses less digits than its factorization.

56847784392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75272 (or 75262 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 56847784392 in words is "fifty-six billion, eight hundred forty-seven million, seven hundred eighty-four thousand, three hundred ninety-two".