680871804 has 48 divisors (see below), whose sum is σ = 1632744960. Its totient is φ = 220711680.

The previous prime is 680871781. The next prime is 680871827. The reversal of 680871804 is 408178086.

680871804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680871781) and next prime (680871827).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120564 + ... + 126084.

It is an arithmetic number, because the mean of its divisors is an integer number (34015520).

Almost surely, 2^680871804 is an apocalyptic number.

It is an amenable number.

680871804 is an abundant number, since it is smaller than the sum of its proper divisors (951873156).

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

680871804 is a wasteful number, since it uses less digits than its factorization.

680871804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 680871804 is about 26093.5203450972. The cubic root of 680871804 is about 879.7415752881.

The spelling of 680871804 in words is "six hundred eighty million, eight hundred seventy-one thousand, eight hundred four".