79893916 has 6 divisors (see below), whose sum is σ = 139814360. Its totient is φ = 39946956.

The previous prime is 79893911. The next prime is 79893959. The reversal of 79893916 is 61939897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79893911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9986736 + ... + 9986743.

Almost surely, 2^79893916 is an apocalyptic number.

It is an amenable number.

79893916 is a deficient number, since it is larger than the sum of its proper divisors (59920444).

79893916 is a wasteful number, since it uses less digits than its factorization.

79893916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973483 (or 19973481 counting only the distinct ones).

The product of its digits is 734832, while the sum is 52.

The square root of 79893916 is about 8938.3396668509. The cubic root of 79893916 is about 430.6963945501.

The spelling of 79893916 in words is "seventy-nine million, eight hundred ninety-three thousand, nine hundred sixteen".