79718313 has 8 divisors (see below), whose sum is σ = 109163968. Its totient is φ = 51709104.

The previous prime is 79718311. The next prime is 79718323. The reversal of 79718313 is 31381797.

It is a happy number.

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

It is not a de Polignac number, because 79718313 - 2¹ = 79718311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79718311) 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, 358981 + ... + 359202.

It is an arithmetic number, because the mean of its divisors is an integer number (13645496).

Almost surely, 2^79718313 is an apocalyptic number.

It is an amenable number.

79718313 is a deficient number, since it is larger than the sum of its proper divisors (29445655).

79718313 is a wasteful number, since it uses less digits than its factorization.

79718313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718223.

The product of its digits is 31752, while the sum is 39.

The square root of 79718313 is about 8928.5112420829. The cubic root of 79718313 is about 430.3806130653.

It can be divided in two parts, 797 and 18313, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 79718313 in words is "seventy-nine million, seven hundred eighteen thousand, three hundred thirteen".