80812964 has 12 divisors (see below), whose sum is σ = 141987888. Its totient is φ = 40245000.

The previous prime is 80812933. The next prime is 80812987. The reversal of 80812964 is 46921808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39242 + ... + 41249.

It is an arithmetic number, because the mean of its divisors is an integer number (11832324).

Almost surely, 2^80812964 is an apocalyptic number.

It is an amenable number.

80812964 is a deficient number, since it is larger than the sum of its proper divisors (61174924).

80812964 is a wasteful number, since it uses less digits than its factorization.

80812964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80746 (or 80744 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 80812964 is about 8989.6031058106. The cubic root of 80812964 is about 432.3415865432.

The spelling of 80812964 in words is "eighty million, eight hundred twelve thousand, nine hundred sixty-four".