80507928 has 32 divisors (see below), whose sum is σ = 206181360. Its totient is φ = 26181120.

The previous prime is 80507909. The next prime is 80507939. The reversal of 80507928 is 82970508.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39925 + ... + 41892.

Almost surely, 2^80507928 is an apocalyptic number.

It is an amenable number.

80507928 is an abundant number, since it is smaller than the sum of its proper divisors (125673432).

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

80507928 is a wasteful number, since it uses less digits than its factorization.

80507928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81867 (or 81863 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 80507928 is about 8972.6210217528. The cubic root of 80507928 is about 431.7969295919.

The spelling of 80507928 in words is "eighty million, five hundred seven thousand, nine hundred twenty-eight".