80877928 has 16 divisors (see below), whose sum is σ = 152496000. Its totient is φ = 40212336.

The previous prime is 80877919. The next prime is 80877961. The reversal of 80877928 is 82977808.

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 3 ways as a sum of consecutive naturals, for example, 26808 + ... + 29671.

It is an arithmetic number, because the mean of its divisors is an integer number (9531000).

Almost surely, 2^80877928 is an apocalyptic number.

It is an amenable number.

80877928 is a deficient number, since it is larger than the sum of its proper divisors (71618072).

80877928 is a wasteful number, since it uses less digits than its factorization.

80877928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56664 (or 56660 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 80877928 is about 8993.2156651556. The cubic root of 80877928 is about 432.4574058981.

The spelling of 80877928 in words is "eighty million, eight hundred seventy-seven thousand, nine hundred twenty-eight".