79049171 has 2 divisors, whose sum is σ = 79049172. Its totient is φ = 79049170.

The previous prime is 79049153. The next prime is 79049207. The reversal of 79049171 is 17194097.

It is a weak prime.

It is an emirp because it is prime and its reverse (17194097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79049171 - 2²² = 74854867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79049111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39524585 + 39524586.

It is an arithmetic number, because the mean of its divisors is an integer number (39524586).

Almost surely, 2^79049171 is an apocalyptic number.

79049171 is a deficient number, since it is larger than the sum of its proper divisors (1).

79049171 is an equidigital number, since it uses as much as digits as its factorization.

79049171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 79049171 is about 8890.9600718932. The cubic root of 79049171 is about 429.1730474099.

The spelling of 79049171 in words is "seventy-nine million, forty-nine thousand, one hundred seventy-one".