79171313 has 8 divisors (see below), whose sum is σ = 88968768. Its totient is φ = 69903504.

The previous prime is 79171283. The next prime is 79171321. The reversal of 79171313 is 31317197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79171313 - 2⁶ = 79171249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79171313.

It is not an unprimeable number, because it can be changed into a prime (79171013) 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 7 ways as a sum of consecutive naturals, for example, 132095 + ... + 132692.

It is an arithmetic number, because the mean of its divisors is an integer number (11121096).

Almost surely, 2^79171313 is an apocalyptic number.

It is an amenable number.

79171313 is a deficient number, since it is larger than the sum of its proper divisors (9797455).

79171313 is a wasteful number, since it uses less digits than its factorization.

79171313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264823.

The product of its digits is 3969, while the sum is 32.

The square root of 79171313 is about 8897.8263075877. The cubic root of 79171313 is about 429.3939777417.

The spelling of 79171313 in words is "seventy-nine million, one hundred seventy-one thousand, three hundred thirteen".