56788638786 has 48 divisors (see below), whose sum is σ = 139199100768. Its totient is φ = 17208676800.

The previous prime is 56788638769. The next prime is 56788638821. The reversal of 56788638786 is 68783688765.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5305975 + ... + 5316666.

It is an arithmetic number, because the mean of its divisors is an integer number (2899981266).

Almost surely, 2^56788638786 is an apocalyptic number.

56788638786 is an abundant number, since it is smaller than the sum of its proper divisors (82410461982).

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

56788638786 is a wasteful number, since it uses less digits than its factorization.

56788638786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622669 (or 10622657 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 72.

The spelling of 56788638786 in words is "fifty-six billion, seven hundred eighty-eight million, six hundred thirty-eight thousand, seven hundred eighty-six".