680757488 has 20 divisors (see below), whose sum is σ = 1331776368. Its totient is φ = 337073280.

The previous prime is 680757463. The next prime is 680757509. The reversal of 680757488 is 884757086.

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 3 ways as a sum of consecutive naturals, for example, 204893 + ... + 208188.

Almost surely, 2^680757488 is an apocalyptic number.

It is an amenable number.

680757488 is a deficient number, since it is larger than the sum of its proper divisors (651018880).

680757488 is a wasteful number, since it uses less digits than its factorization.

680757488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413192 (or 413186 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The square root of 680757488 is about 26091.3297476384. The cubic root of 680757488 is about 879.6923373521.

The spelling of 680757488 in words is "six hundred eighty million, seven hundred fifty-seven thousand, four hundred eighty-eight".