79812207 has 12 divisors (see below), whose sum is σ = 115463400. Its totient is φ = 53125488.

The previous prime is 79812193. The next prime is 79812247. The reversal of 79812207 is 70221897.

It is not a de Polignac number, because 79812207 - 2⁷ = 79812079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79812247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 12642.

It is an arithmetic number, because the mean of its divisors is an integer number (9621950).

Almost surely, 2^79812207 is an apocalyptic number.

79812207 is a deficient number, since it is larger than the sum of its proper divisors (35651193).

79812207 is a wasteful number, since it uses less digits than its factorization.

79812207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 79812207 is about 8933.7677941617. The cubic root of 79812207 is about 430.5495173852.

The spelling of 79812207 in words is "seventy-nine million, eight hundred twelve thousand, two hundred seven".