79894434 has 16 divisors (see below), whose sum is σ = 161372160. Its totient is φ = 26367600.

The previous prime is 79894429. The next prime is 79894453. The reversal of 79894434 is 43449897.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65314 + ... + 66525.

It is an arithmetic number, because the mean of its divisors is an integer number (10085760).

Almost surely, 2^79894434 is an apocalyptic number.

79894434 is an abundant number, since it is smaller than the sum of its proper divisors (81477726).

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

79894434 is a wasteful number, since it uses less digits than its factorization.

79894434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131945.

The product of its digits is 870912, while the sum is 48.

The square root of 79894434 is about 8938.3686431026. The cubic root of 79894434 is about 430.6973253688.

The spelling of 79894434 in words is "seventy-nine million, eight hundred ninety-four thousand, four hundred thirty-four".