80844907 has 16 divisors (see below), whose sum is σ = 97302240. Its totient is φ = 66182400.

The previous prime is 80844871. The next prime is 80844913. The reversal of 80844907 is 70944808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80844907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80844907.

It is not an unprimeable number, because it can be changed into a prime (80844937) 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 15 ways as a sum of consecutive naturals, for example, 1032 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (6081390).

Almost surely, 2^80844907 is an apocalyptic number.

80844907 is a deficient number, since it is larger than the sum of its proper divisors (16457333).

80844907 is a wasteful number, since it uses less digits than its factorization.

80844907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13854.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 80844907 is about 8991.3795938110. The cubic root of 80844907 is about 432.3985430322.

Subtracting from 80844907 its reverse (70944808), we obtain a palindrome (9900099).

The spelling of 80844907 in words is "eighty million, eight hundred forty-four thousand, nine hundred seven".