79248147 has 16 divisors (see below), whose sum is σ = 115613568. Its totient is φ = 47886080.

The previous prime is 79248137. The next prime is 79248149. The reversal of 79248147 is 74184297.

It is a happy number.

It is not a de Polignac number, because 79248147 - 2⁴ = 79248131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79248099 and 79248108.

It is not an unprimeable number, because it can be changed into a prime (79248149) 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, 8248 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (7225848).

Almost surely, 2^79248147 is an apocalyptic number.

79248147 is a deficient number, since it is larger than the sum of its proper divisors (36365421).

79248147 is a wasteful number, since it uses less digits than its factorization.

79248147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170.

The product of its digits is 112896, while the sum is 42.

The square root of 79248147 is about 8902.1428319254. The cubic root of 79248147 is about 429.5328386022.

The spelling of 79248147 in words is "seventy-nine million, two hundred forty-eight thousand, one hundred forty-seven".