80677928 has 16 divisors (see below), whose sum is σ = 157848480. Its totient is φ = 38585008.

The previous prime is 80677901. The next prime is 80677969. The reversal of 80677928 is 82977608.

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, 219050 + ... + 219417.

It is an arithmetic number, because the mean of its divisors is an integer number (9865530).

Almost surely, 2^80677928 is an apocalyptic number.

It is an amenable number.

80677928 is a deficient number, since it is larger than the sum of its proper divisors (77170552).

80677928 is a wasteful number, since it uses less digits than its factorization.

80677928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438496 (or 438492 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 80677928 is about 8982.0892892467. The cubic root of 80677928 is about 432.1006424181.

The spelling of 80677928 in words is "eighty million, six hundred seventy-seven thousand, nine hundred twenty-eight".