680620104 has 64 divisors (see below), whose sum is σ = 1894046400. Its totient is φ = 226461312.

The previous prime is 680620093. The next prime is 680620123. The reversal of 680620104 is 401026086.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 130719 + ... + 135825.

It is an arithmetic number, because the mean of its divisors is an integer number (29594475).

Almost surely, 2^680620104 is an apocalyptic number.

It is an amenable number.

680620104 is an abundant number, since it is smaller than the sum of its proper divisors (1213426296).

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

680620104 is a wasteful number, since it uses less digits than its factorization.

680620104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 680620104 is about 26088.6968628178. The cubic root of 680620104 is about 879.6331563246.

The spelling of 680620104 in words is "six hundred eighty million, six hundred twenty thousand, one hundred four".