80927904 has 48 divisors (see below), whose sum is σ = 213107328. Its totient is φ = 26890752.

The previous prime is 80927879. The next prime is 80927909. The reversal of 80927904 is 40972908.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (80927909) 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, 34084 + ... + 36380.

It is an arithmetic number, because the mean of its divisors is an integer number (4439736).

Almost surely, 2^80927904 is an apocalyptic number.

It is an amenable number.

80927904 is an abundant number, since it is smaller than the sum of its proper divisors (132179424).

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

80927904 is a wasteful number, since it uses less digits than its factorization.

80927904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 80927904 is about 8995.9937750090. The cubic root of 80927904 is about 432.5464620918.

The spelling of 80927904 in words is "eighty million, nine hundred twenty-seven thousand, nine hundred four".