79318147 has 8 divisors (see below), whose sum is σ = 80753760. Its totient is φ = 77891520.

The previous prime is 79318123. The next prime is 79318163. The reversal of 79318147 is 74181397.

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 79318147 - 2¹⁵ = 79285379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79918147) 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, 17023 + ... + 21175.

It is an arithmetic number, because the mean of its divisors is an integer number (10094220).

Almost surely, 2^79318147 is an apocalyptic number.

79318147 is a deficient number, since it is larger than the sum of its proper divisors (1435613).

79318147 is a wasteful number, since it uses less digits than its factorization.

79318147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493.

The product of its digits is 42336, while the sum is 40.

The square root of 79318147 is about 8906.0736017619. The cubic root of 79318147 is about 429.6592703711.

The spelling of 79318147 in words is "seventy-nine million, three hundred eighteen thousand, one hundred forty-seven".