680875908 has 36 divisors (see below), whose sum is σ = 1687669872. Its totient is φ = 213607040.

The previous prime is 680875901. The next prime is 680875919. The reversal of 680875908 is 809578086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (680875901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 94698 + ... + 101633.

Almost surely, 2^680875908 is an apocalyptic number.

680875908 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

680875908 is an abundant number, since it is smaller than the sum of its proper divisors (1006793964).

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

680875908 is a wasteful number, since it uses less digits than its factorization.

680875908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196372 (or 196353 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 680875908 is about 26093.5989851918. The cubic root of 680875908 is about 879.7433428514.

The spelling of 680875908 in words is "six hundred eighty million, eight hundred seventy-five thousand, nine hundred eight".