80844404 has 12 divisors (see below), whose sum is σ = 146041728. Its totient is φ = 39118200.

The previous prime is 80844377. The next prime is 80844409. The reversal of 80844404 is 40444808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80844409) 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, 325862 + ... + 326109.

It is an arithmetic number, because the mean of its divisors is an integer number (12170144).

Almost surely, 2^80844404 is an apocalyptic number.

It is an amenable number.

80844404 is a deficient number, since it is larger than the sum of its proper divisors (65197324).

80844404 is a wasteful number, since it uses less digits than its factorization.

80844404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652006 (or 652004 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 80844404 is about 8991.3516225315. The cubic root of 80844404 is about 432.3976462661.

The spelling of 80844404 in words is "eighty million, eight hundred forty-four thousand, four hundred four".