79112171 has 2 divisors, whose sum is σ = 79112172. Its totient is φ = 79112170.

The previous prime is 79112153. The next prime is 79112177. The reversal of 79112171 is 17121197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79112171 - 2¹⁰ = 79111147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79112177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39556085 + 39556086.

It is an arithmetic number, because the mean of its divisors is an integer number (39556086).

Almost surely, 2^79112171 is an apocalyptic number.

79112171 is a deficient number, since it is larger than the sum of its proper divisors (1).

79112171 is an equidigital number, since it uses as much as digits as its factorization.

79112171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 29.

The square root of 79112171 is about 8894.5022907412. The cubic root of 79112171 is about 429.2870301458.

The spelling of 79112171 in words is "seventy-nine million, one hundred twelve thousand, one hundred seventy-one".