80790916 has 12 divisors (see below), whose sum is σ = 141537088. Its totient is φ = 40351752.

The previous prime is 80790911. The next prime is 80790917. The reversal of 80790916 is 61909708.

It is not an unprimeable number, because it can be changed into a prime (80790911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6576 + ... + 14311.

Almost surely, 2^80790916 is an apocalyptic number.

It is an amenable number.

80790916 is a deficient number, since it is larger than the sum of its proper divisors (60746172).

80790916 is a wasteful number, since it uses less digits than its factorization.

80790916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21858 (or 21856 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 80790916 is about 8988.3767166269. The cubic root of 80790916 is about 432.3022647403.

The spelling of 80790916 in words is "eighty million, seven hundred ninety thousand, nine hundred sixteen".