79489894 has 16 divisors (see below), whose sum is σ = 130741776. Its totient is φ = 35946400.

The previous prime is 79489853. The next prime is 79489931. The reversal of 79489894 is 49898497.

It is a congruent number.

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, 4837 + ... + 13504.

It is an arithmetic number, because the mean of its divisors is an integer number (8171361).

Almost surely, 2^79489894 is an apocalyptic number.

79489894 is a deficient number, since it is larger than the sum of its proper divisors (51251882).

79489894 is a wasteful number, since it uses less digits than its factorization.

79489894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551.

The product of its digits is 5225472, while the sum is 58.

The square root of 79489894 is about 8915.7105157133. The cubic root of 79489894 is about 429.9691594971.

The spelling of 79489894 in words is "seventy-nine million, four hundred eighty-nine thousand, eight hundred ninety-four".