80087928 has 32 divisors (see below), whose sum is σ = 201387600. Its totient is φ = 26540288.

The previous prime is 80087927. The next prime is 80087939. The reversal of 80087928 is 82978008.

It is a happy number.

It is a super-2 number, since 2×80087928² = 12828152422666368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80087928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80087923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5493 + ... + 13796.

Almost surely, 2^80087928 is an apocalyptic number.

It is an amenable number.

80087928 is an abundant number, since it is smaller than the sum of its proper divisors (121299672).

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

80087928 is a wasteful number, since it uses less digits than its factorization.

80087928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19471 (or 19467 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 80087928 is about 8949.1858847607. The cubic root of 80087928 is about 431.0447428173.

The spelling of 80087928 in words is "eighty million, eighty-seven thousand, nine hundred twenty-eight".