79191371 has 8 divisors (see below), whose sum is σ = 90647040. Its totient is φ = 67771368.

The previous prime is 79191367. The next prime is 79191401. The reversal of 79191371 is 17319197.

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

It is not a de Polignac number, because 79191371 - 2² = 79191367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79191311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3971 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (11330880).

Almost surely, 2^79191371 is an apocalyptic number.

79191371 is a deficient number, since it is larger than the sum of its proper divisors (11455669).

79191371 is a wasteful number, since it uses less digits than its factorization.

79191371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833.

The product of its digits is 11907, while the sum is 38.

The square root of 79191371 is about 8898.9533654245. The cubic root of 79191371 is about 429.4302369069.

The spelling of 79191371 in words is "seventy-nine million, one hundred ninety-one thousand, three hundred seventy-one".