79381944 has 40 divisors (see below), whose sum is σ = 222344760. Its totient is φ = 26460432.

The previous prime is 79381931. The next prime is 79381949. The reversal of 79381944 is 44918397.

It is a self number, because there is not a number n which added to its sum of digits gives 79381944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79381949) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 60604 + ... + 61899.

It is an arithmetic number, because the mean of its divisors is an integer number (5558619).

Almost surely, 2^79381944 is an apocalyptic number.

It is an amenable number.

79381944 is an abundant number, since it is smaller than the sum of its proper divisors (142962816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79381944 is a wasteful number, since it uses less digits than its factorization.

79381944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122521 (or 122508 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 79381944 is about 8909.6545387574. The cubic root of 79381944 is about 429.7744337048.

The spelling of 79381944 in words is "seventy-nine million, three hundred eighty-one thousand, nine hundred forty-four".