680115868 has 12 divisors (see below), whose sum is σ = 1252845160. Its totient is φ = 322160112.

The previous prime is 680115853. The next prime is 680115883. The reversal of 680115868 is 868511086.

It is a happy number.

680115868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680115853) and next prime (680115883).

It is a congruent number.

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, 4474371 + ... + 4474522.

Almost surely, 2^680115868 is an apocalyptic number.

It is an amenable number.

680115868 is a deficient number, since it is larger than the sum of its proper divisors (572729292).

680115868 is a wasteful number, since it uses less digits than its factorization.

680115868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948916 (or 8948914 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 680115868 is about 26079.0311936621. The cubic root of 680115868 is about 879.4158778559.

The spelling of 680115868 in words is "six hundred eighty million, one hundred fifteen thousand, eight hundred sixty-eight".