79396247 has 16 divisors (see below), whose sum is σ = 92938752. Its totient is φ = 66423840.

The previous prime is 79396243. The next prime is 79396249. The reversal of 79396247 is 74269397.

It is not a de Polignac number, because 79396247 - 2² = 79396243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79396243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52433 + ... + 53925.

It is an arithmetic number, because the mean of its divisors is an integer number (5808672).

Almost surely, 2^79396247 is an apocalyptic number.

79396247 is a deficient number, since it is larger than the sum of its proper divisors (13542505).

79396247 is a wasteful number, since it uses less digits than its factorization.

79396247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678.

The product of its digits is 571536, while the sum is 47.

The square root of 79396247 is about 8910.4571712118. The cubic root of 79396247 is about 429.8002443374.

The spelling of 79396247 in words is "seventy-nine million, three hundred ninety-six thousand, two hundred forty-seven".