79202231 has 2 divisors, whose sum is σ = 79202232. Its totient is φ = 79202230.

The previous prime is 79202209. The next prime is 79202243. The reversal of 79202231 is 13220297.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79202231 is a prime.

It is a super-2 number, since 2×79202231² = 12545986790754722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79202231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79202251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39601115 + 39601116.

It is an arithmetic number, because the mean of its divisors is an integer number (39601116).

Almost surely, 2^79202231 is an apocalyptic number.

79202231 is a deficient number, since it is larger than the sum of its proper divisors (1).

79202231 is an equidigital number, since it uses as much as digits as its factorization.

79202231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 79202231 is about 8899.5635286232. The cubic root of 79202231 is about 429.4498661466.

The spelling of 79202231 in words is "seventy-nine million, two hundred two thousand, two hundred thirty-one".