79216986 has 8 divisors (see below), whose sum is σ = 158433984. Its totient is φ = 26405660.

The previous prime is 79216939. The next prime is 79217011. The reversal of 79216986 is 68961297.

It is a sphenic number, since it is the product of 3 distinct primes.

79216986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6601410 + ... + 6601421.

It is an arithmetic number, because the mean of its divisors is an integer number (19804248).

Almost surely, 2^79216986 is an apocalyptic number.

79216986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

79216986 is a wasteful number, since it uses less digits than its factorization.

79216986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202836.

The product of its digits is 326592, while the sum is 48.

The square root of 79216986 is about 8900.3924632569. The cubic root of 79216986 is about 429.4765326485.

The spelling of 79216986 in words is "seventy-nine million, two hundred sixteen thousand, nine hundred eighty-six".