80800664 has 16 divisors (see below), whose sum is σ = 173144400. Its totient is φ = 34628832.

The previous prime is 80800651. The next prime is 80800691. The reversal of 80800664 is 46600808.

It is a self number, because there is not a number n which added to its sum of digits gives 80800664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721379 + ... + 721490.

It is an arithmetic number, because the mean of its divisors is an integer number (10821525).

Almost surely, 2^80800664 is an apocalyptic number.

It is an amenable number.

80800664 is an abundant number, since it is smaller than the sum of its proper divisors (92343736).

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

80800664 is a wasteful number, since it uses less digits than its factorization.

80800664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442882 (or 1442878 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 80800664 is about 8988.9189561371. The cubic root of 80800664 is about 432.3196508245.

The spelling of 80800664 in words is "eighty million, eight hundred thousand, six hundred sixty-four".