79908147 has 32 divisors (see below), whose sum is σ = 132168960. Its totient is φ = 47295360.

The previous prime is 79908119. The next prime is 79908151. The reversal of 79908147 is 74180997.

It is not a de Polignac number, because 79908147 - 2²⁴ = 63130931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79908247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9643 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (4130280).

Almost surely, 2^79908147 is an apocalyptic number.

79908147 is a deficient number, since it is larger than the sum of its proper divisors (52260813).

79908147 is a wasteful number, since it uses less digits than its factorization.

79908147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320 (or 6314 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 79908147 is about 8939.1356964754. The cubic root of 79908147 is about 430.7219654438.

The spelling of 79908147 in words is "seventy-nine million, nine hundred eight thousand, one hundred forty-seven".