680404086 has 12 divisors (see below), whose sum is σ = 1474208892. Its totient is φ = 226801356.

The previous prime is 680404057. The next prime is 680404091.

680404086 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 680404086.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 18900096 + ... + 18900131.

It is an arithmetic number, because the mean of its divisors is an integer number (122850741).

Almost surely, 2^680404086 is an apocalyptic number.

680404086 is an abundant number, since it is smaller than the sum of its proper divisors (793804806).

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

680404086 is a wasteful number, since it uses less digits than its factorization.

680404086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37800235 (or 37800232 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 680404086 is about 26084.5564654644. The cubic root of 680404086 is about 879.5400859513.

The spelling of 680404086 in words is "six hundred eighty million, four hundred four thousand, eighty-six".