80715988 has 12 divisors (see below), whose sum is σ = 144538240. Its totient is φ = 39419352.

The previous prime is 80715937. The next prime is 80716001. The reversal of 80715988 is 88951708.

It is a super-2 number, since 2×80715988² = 13030141437632288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 234468 + ... + 234811.

Almost surely, 2^80715988 is an apocalyptic number.

It is an amenable number.

80715988 is a deficient number, since it is larger than the sum of its proper divisors (63822252).

80715988 is a wasteful number, since it uses less digits than its factorization.

80715988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469326 (or 469324 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 80715988 is about 8984.2077001815. The cubic root of 80715988 is about 432.1685798967.

The spelling of 80715988 in words is "eighty million, seven hundred fifteen thousand, nine hundred eighty-eight".