680835606800 has 60 divisors (see below), whose sum is σ = 1636800186000. Its totient is φ = 272152325760.

The previous prime is 680835606793. The next prime is 680835606853. The reversal of 680835606800 is 8606538086.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31859 + ... + 1167341.

It is an arithmetic number, because the mean of its divisors is an integer number (27280003100).

Almost surely, 2^680835606800 is an apocalyptic number.

It is an amenable number.

680835606800 is an abundant number, since it is smaller than the sum of its proper divisors (955964579200).

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

680835606800 is a wasteful number, since it uses less digits than its factorization.

680835606800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137000 (or 1136989 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 680835606800 in words is "six hundred eighty billion, eight hundred thirty-five million, six hundred six thousand, eight hundred".