79943116 has 24 divisors (see below), whose sum is σ = 154138320. Its totient is φ = 35976000.

The previous prime is 79943077. The next prime is 79943117. The reversal of 79943116 is 61134997.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (79943117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4551 + ... + 13438.

It is an arithmetic number, because the mean of its divisors is an integer number (6422430).

Almost surely, 2^79943116 is an apocalyptic number.

It is an amenable number.

79943116 is a deficient number, since it is larger than the sum of its proper divisors (74195204).

79943116 is a wasteful number, since it uses less digits than its factorization.

79943116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105 (or 18103 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 79943116 is about 8941.0914322581. The cubic root of 79943116 is about 430.7847864052.

The spelling of 79943116 in words is "seventy-nine million, nine hundred forty-three thousand, one hundred sixteen".