80804913 has 32 divisors (see below), whose sum is σ = 127180800. Its totient is φ = 44680896.

The previous prime is 80804873. The next prime is 80804923. The reversal of 80804913 is 31940808.

It is not a de Polignac number, because 80804913 - 2⁸ = 80804657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80804923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87468 + ... + 88386.

It is an arithmetic number, because the mean of its divisors is an integer number (3974400).

Almost surely, 2^80804913 is an apocalyptic number.

It is an amenable number.

80804913 is a deficient number, since it is larger than the sum of its proper divisors (46375887).

80804913 is a wasteful number, since it uses less digits than its factorization.

80804913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 80804913 is about 8989.1552995818. The cubic root of 80804913 is about 432.3272287077.

The spelling of 80804913 in words is "eighty million, eight hundred four thousand, nine hundred thirteen".