680396596 has 24 divisors (see below), whose sum is σ = 1299834144. Its totient is φ = 309058080.

The previous prime is 680396551. The next prime is 680396609. The reversal of 680396596 is 695693086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71791 + ... + 80713.

It is an arithmetic number, because the mean of its divisors is an integer number (54159756).

Almost surely, 2^680396596 is an apocalyptic number.

It is an amenable number.

680396596 is a deficient number, since it is larger than the sum of its proper divisors (619437548).

680396596 is a wasteful number, since it uses less digits than its factorization.

680396596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671 (or 10669 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 680396596 is about 26084.4128935270. The cubic root of 680396596 is about 879.5368585655.

The spelling of 680396596 in words is "six hundred eighty million, three hundred ninety-six thousand, five hundred ninety-six".