685290760704 has 120 divisors (see below), whose sum is σ = 2157595288992. Its totient is φ = 207663851520.

The previous prime is 685290760699. The next prime is 685290760729. The reversal of 685290760704 is 407067092586.

685290760704 is a `hidden beast` number, since 6 + 8 + 5 + 29 + 0 + 7 + 607 + 0 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6709204 + ... + 6810579.

Almost surely, 2^685290760704 is an apocalyptic number.

685290760704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

685290760704 is an abundant number, since it is smaller than the sum of its proper divisors (1472304528288).

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

685290760704 is a wasteful number, since it uses less digits than its factorization.

685290760704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519818 (or 13519799 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 685290760704 in words is "six hundred eighty-five billion, two hundred ninety million, seven hundred sixty thousand, seven hundred four".