79668012 has 12 divisors (see below), whose sum is σ = 185892056. Its totient is φ = 26556000.

The previous prime is 79668011. The next prime is 79668019. The reversal of 79668012 is 21086697.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (79668011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319489 + ... + 3319512.

Almost surely, 2^79668012 is an apocalyptic number.

It is an amenable number.

79668012 is an abundant number, since it is smaller than the sum of its proper divisors (106224044).

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

79668012 is a wasteful number, since it uses less digits than its factorization.

79668012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639008 (or 6639006 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 79668012 is about 8925.6939226034. The cubic root of 79668012 is about 430.2900728899.

The spelling of 79668012 in words is "seventy-nine million, six hundred sixty-eight thousand, twelve".