79243207 has 2 divisors, whose sum is σ = 79243208. Its totient is φ = 79243206.

The previous prime is 79243141. The next prime is 79243217. The reversal of 79243207 is 70234297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79243207 - 2²³ = 70854599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79243217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39621603 + 39621604.

It is an arithmetic number, because the mean of its divisors is an integer number (39621604).

Almost surely, 2^79243207 is an apocalyptic number.

79243207 is a deficient number, since it is larger than the sum of its proper divisors (1).

79243207 is an equidigital number, since it uses as much as digits as its factorization.

79243207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 79243207 is about 8901.8653663151. The cubic root of 79243207 is about 429.5239133196.

The spelling of 79243207 in words is "seventy-nine million, two hundred forty-three thousand, two hundred seven".