389611720680 has 256 divisors, whose sum is σ = 1488173299200. Its totient is φ = 79369113600.

The previous prime is 389611720679. The next prime is 389611720697. The reversal of 389611720680 is 86027116983.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 298471 + ... + 931830.

It is an arithmetic number, because the mean of its divisors is an integer number (5813176950).

Almost surely, 2^389611720680 is an apocalyptic number.

389611720680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389611720680 is an abundant number, since it is smaller than the sum of its proper divisors (1098561578520).

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

389611720680 is a wasteful number, since it uses less digits than its factorization.

389611720680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230364 (or 1230360 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 389611720680 in words is "three hundred eighty-nine billion, six hundred eleven million, seven hundred twenty thousand, six hundred eighty".