80039936 has 26 divisors (see below), whose sum is σ = 160068522. Its totient is φ = 40017920.

The previous prime is 80039929. The next prime is 80039957. The reversal of 80039936 is 63993008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 59969536 + 20070400 = 7744^2 + 4480^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80039936.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675 + ... + 13866.

Almost surely, 2^80039936 is an apocalyptic number.

It is an amenable number.

80039936 is a deficient number, since it is larger than the sum of its proper divisors (80028586).

80039936 is an equidigital number, since it uses as much as digits as its factorization.

80039936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565 (or 19543 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 80039936 is about 8946.5041217226. The cubic root of 80039936 is about 430.9586256654.

The spelling of 80039936 in words is "eighty million, thirty-nine thousand, nine hundred thirty-six".