680434808 has 16 divisors (see below), whose sum is σ = 1276371000. Its totient is φ = 340069216.

The previous prime is 680434753. The next prime is 680434823. The reversal of 680434808 is 808434086.

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, 2378 + ... + 36966.

Almost surely, 2^680434808 is an apocalyptic number.

It is an amenable number.

680434808 is a deficient number, since it is larger than the sum of its proper divisors (595936192).

680434808 is a wasteful number, since it uses less digits than its factorization.

680434808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37054 (or 37050 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 680434808 is about 26085.1453513297. The cubic root of 680434808 is about 879.5533235868.

The spelling of 680434808 in words is "six hundred eighty million, four hundred thirty-four thousand, eight hundred eight".