56785705208 has 16 divisors (see below), whose sum is σ = 106477368480. Its totient is φ = 28391740288.

The previous prime is 56785705129. The next prime is 56785705211. The reversal of 56785705208 is 80250758765.

It is a self number, because there is not a number n which added to its sum of digits gives 56785705208.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 102641 + ... + 352287.

It is an arithmetic number, because the mean of its divisors is an integer number (6654835530).

Almost surely, 2^56785705208 is an apocalyptic number.

It is an amenable number.

56785705208 is a deficient number, since it is larger than the sum of its proper divisors (49691663272).

56785705208 is a wasteful number, since it uses less digits than its factorization.

56785705208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278086 (or 278082 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 53.

The spelling of 56785705208 in words is "fifty-six billion, seven hundred eighty-five million, seven hundred five thousand, two hundred eight".