79313771 has 4 divisors (see below), whose sum is σ = 83488200. Its totient is φ = 75139344.

The previous prime is 79313761. The next prime is 79313783. The reversal of 79313771 is 17731397.

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

It is a cyclic number.

It is not a de Polignac number, because 79313771 - 2¹⁰ = 79312747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79313701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2087186 + ... + 2087223.

It is an arithmetic number, because the mean of its divisors is an integer number (20872050).

Almost surely, 2^79313771 is an apocalyptic number.

79313771 is a deficient number, since it is larger than the sum of its proper divisors (4174429).

79313771 is a wasteful number, since it uses less digits than its factorization.

79313771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174428.

The product of its digits is 27783, while the sum is 38.

The square root of 79313771 is about 8905.8279233320. The cubic root of 79313771 is about 429.6513687596.

The spelling of 79313771 in words is "seventy-nine million, three hundred thirteen thousand, seven hundred seventy-one".