680002880 has 28 divisors (see below), whose sum is σ = 1619257620. Its totient is φ = 272001024.

The previous prime is 680002877. The next prime is 680002891. The reversal of 680002880 is 88200086.

It can be written as a sum of positive squares in 2 ways, for example, as 97456384 + 582546496 = 9872^2 + 24136^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062185 + ... + 1062824.

Almost surely, 2^680002880 is an apocalyptic number.

It is an amenable number.

680002880 is an abundant number, since it is smaller than the sum of its proper divisors (939254740).

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

680002880 is a wasteful number, since it uses less digits than its factorization.

680002880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125026 (or 2125016 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 680002880 is about 26076.8648422313. The cubic root of 680002880 is about 879.3671758877.

The spelling of 680002880 in words is "six hundred eighty million, two thousand, eight hundred eighty".