680377488 has 40 divisors (see below), whose sum is σ = 2008734528. Its totient is φ = 194393472.

The previous prime is 680377471. The next prime is 680377507. The reversal of 680377488 is 884773086.

It is a self number, because there is not a number n which added to its sum of digits gives 680377488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012131 + ... + 1012802.

Almost surely, 2^680377488 is an apocalyptic number.

It is an amenable number.

680377488 is an abundant number, since it is smaller than the sum of its proper divisors (1328357040).

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

680377488 is a wasteful number, since it uses less digits than its factorization.

680377488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024951 (or 2024945 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 680377488 is about 26084.0466185751. The cubic root of 680377488 is about 879.5286249619.

The spelling of 680377488 in words is "six hundred eighty million, three hundred seventy-seven thousand, four hundred eighty-eight".