680625176856 has 16 divisors (see below), whose sum is σ = 1701562942200. Its totient is φ = 226875058944.

The previous prime is 680625176849. The next prime is 680625176863. The reversal of 680625176856 is 658671526086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680625176849) and next prime (680625176863).

It is a super-2 number, since 2×680625176856² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 680625176856.

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, 14179691161 + ... + 14179691208.

Almost surely, 2^680625176856 is an apocalyptic number.

It is an amenable number.

680625176856 is an abundant number, since it is smaller than the sum of its proper divisors (1020937765344).

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

680625176856 is a wasteful number, since it uses less digits than its factorization.

680625176856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28359382378 (or 28359382374 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 680625176856 in words is "six hundred eighty billion, six hundred twenty-five million, one hundred seventy-six thousand, eight hundred fifty-six".