807664704 has 112 divisors (see below), whose sum is σ = 2664293376. Its totient is φ = 209779200.

The previous prime is 807664691. The next prime is 807664709. The reversal of 807664704 is 407466708.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (807664709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12532 + ... + 42099.

Almost surely, 2^807664704 is an apocalyptic number.

807664704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

807664704 is an abundant number, since it is smaller than the sum of its proper divisors (1856628672).

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

807664704 is a wasteful number, since it uses less digits than its factorization.

807664704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54664 (or 54654 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 807664704 is about 28419.4423590612. The cubic root of 807664704 is about 931.2730490279.

The spelling of 807664704 in words is "eight hundred seven million, six hundred sixty-four thousand, seven hundred four".