680059880 has 16 divisors (see below), whose sum is σ = 1530134820. Its totient is φ = 272023936.

The previous prime is 680059879. The next prime is 680059937. The reversal of 680059880 is 88950086.

It can be written as a sum of positive squares in 2 ways, for example, as 654029476 + 26030404 = 25574^2 + 5102^2 .

It is a super-2 number, since 2×680059880² = 924962880771228800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8500709 + ... + 8500788.

Almost surely, 2^680059880 is an apocalyptic number.

It is an amenable number.

680059880 is an abundant number, since it is smaller than the sum of its proper divisors (850074940).

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

680059880 is a wasteful number, since it uses less digits than its factorization.

680059880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001508 (or 17001504 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 680059880 is about 26077.9577421239. The cubic root of 680059880 is about 879.3917456506.

The spelling of 680059880 in words is "six hundred eighty million, fifty-nine thousand, eight hundred eighty".