80944964 has 12 divisors (see below), whose sum is σ = 141747564. Its totient is φ = 40445664.

The previous prime is 80944949. The next prime is 80944967. The reversal of 80944964 is 46944908.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53904964 + 27040000 = 7342^2 + 5200^2 .

It is a super-2 number, since 2×80944964² = 13104174393922592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80944967) 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 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 12770.

It is an arithmetic number, because the mean of its divisors is an integer number (11812297).

Almost surely, 2^80944964 is an apocalyptic number.

It is an amenable number.

80944964 is a deficient number, since it is larger than the sum of its proper divisors (60802600).

80944964 is a wasteful number, since it uses less digits than its factorization.

80944964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414 (or 13412 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 80944964 is about 8996.9419248987. The cubic root of 80944964 is about 432.5768542631.

The spelling of 80944964 in words is "eighty million, nine hundred forty-four thousand, nine hundred sixty-four".