80790844 has 12 divisors (see below), whose sum is σ = 142464168. Its totient is φ = 40086800.

The previous prime is 80790841. The next prime is 80790877. The reversal of 80790844 is 44809708.

It is a junction number, because it is equal to n+sod(n) for n = 80790797 and 80790806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80790841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76567 + ... + 77614.

It is an arithmetic number, because the mean of its divisors is an integer number (11872014).

Almost surely, 2^80790844 is an apocalyptic number.

It is an amenable number.

80790844 is a deficient number, since it is larger than the sum of its proper divisors (61673324).

80790844 is a wasteful number, since it uses less digits than its factorization.

80790844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154316 (or 154314 counting only the distinct ones).

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

The square root of 80790844 is about 8988.3727114534. The cubic root of 80790844 is about 432.3021363192.

The spelling of 80790844 in words is "eighty million, seven hundred ninety thousand, eight hundred forty-four".