79212966 has 64 divisors (see below), whose sum is σ = 193425408. Its totient is φ = 21133728.

The previous prime is 79212941. The next prime is 79212977. The reversal of 79212966 is 66921297.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40585 + ... + 42491.

It is an arithmetic number, because the mean of its divisors is an integer number (3022272).

Almost surely, 2^79212966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79212966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96712704).

79212966 is an abundant number, since it is smaller than the sum of its proper divisors (114212442).

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

79212966 is a wasteful number, since it uses less digits than its factorization.

79212966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its digits is 81648, while the sum is 42.

The square root of 79212966 is about 8900.1666276537. The cubic root of 79212966 is about 429.4692676878.

The spelling of 79212966 in words is "seventy-nine million, two hundred twelve thousand, nine hundred sixty-six".