68931715896 has 48 divisors (see below), whose sum is σ = 186903108600. Its totient is φ = 22951017792.

The previous prime is 68931715849. The next prime is 68931715901. The reversal of 68931715896 is 69851713986.

68931715896 is a `hidden beast` number, since 6 + 89 + 317 + 158 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482686 + ... + 608973.

Almost surely, 2^68931715896 is an apocalyptic number.

It is an amenable number.

68931715896 is an abundant number, since it is smaller than the sum of its proper divisors (117971392704).

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

68931715896 is a wasteful number, since it uses less digits than its factorization.

68931715896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092548 (or 1092541 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The spelling of 68931715896 in words is "sixty-eight billion, nine hundred thirty-one million, seven hundred fifteen thousand, eight hundred ninety-six".