79079171 has 4 divisors (see below), whose sum is σ = 81630144. Its totient is φ = 76528200.

The previous prime is 79079141. The next prime is 79079179. The reversal of 79079171 is 17197097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79079171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79079179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275440 + ... + 1275501.

It is an arithmetic number, because the mean of its divisors is an integer number (20407536).

Almost surely, 2^79079171 is an apocalyptic number.

79079171 is a deficient number, since it is larger than the sum of its proper divisors (2550973).

79079171 is a wasteful number, since it uses less digits than its factorization.

79079171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550972.

The product of its (nonzero) digits is 27783, while the sum is 41.

The square root of 79079171 is about 8892.6470187453. The cubic root of 79079171 is about 429.2273324532.

The spelling of 79079171 in words is "seventy-nine million, seventy-nine thousand, one hundred seventy-one".