79959786 has 32 divisors (see below), whose sum is σ = 166544640. Its totient is φ = 25561536.

The previous prime is 79959769. The next prime is 79959787. The reversal of 79959786 is 68795997.

It is not an unprimeable number, because it can be changed into a prime (79959787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25855 + ... + 28781.

It is an arithmetic number, because the mean of its divisors is an integer number (5204520).

Almost surely, 2^79959786 is an apocalyptic number.

79959786 is an abundant number, since it is smaller than the sum of its proper divisors (86584854).

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

79959786 is a wasteful number, since it uses less digits than its factorization.

79959786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118.

The product of its digits is 8573040, while the sum is 60.

The square root of 79959786 is about 8942.0235964797. The cubic root of 79959786 is about 430.8147272083.

The spelling of 79959786 in words is "seventy-nine million, nine hundred fifty-nine thousand, seven hundred eighty-six".