79116247 has 24 divisors (see below), whose sum is σ = 98505600. Its totient is φ = 62071920.

The previous prime is 79116221. The next prime is 79116253. The reversal of 79116247 is 74261197.

It is not a de Polignac number, because 79116247 - 2²³ = 70727639 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79116217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127504 + ... + 128122.

It is an arithmetic number, because the mean of its divisors is an integer number (4104400).

Almost surely, 2^79116247 is an apocalyptic number.

79116247 is a deficient number, since it is larger than the sum of its proper divisors (19389353).

79116247 is a wasteful number, since it uses less digits than its factorization.

79116247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 676 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 79116247 is about 8894.7314180924. The cubic root of 79116247 is about 429.2944025634.

The spelling of 79116247 in words is "seventy-nine million, one hundred sixteen thousand, two hundred forty-seven".