79947123 has 8 divisors (see below), whose sum is σ = 106831248. Its totient is φ = 53180544.

The previous prime is 79947097. The next prime is 79947137. The reversal of 79947123 is 32174997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79947123 - 2⁶ = 79947059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79947143) 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, 27786 + ... + 30527.

It is an arithmetic number, because the mean of its divisors is an integer number (13353906).

Almost surely, 2^79947123 is an apocalyptic number.

79947123 is a deficient number, since it is larger than the sum of its proper divisors (26884125).

79947123 is a wasteful number, since it uses less digits than its factorization.

79947123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58773.

The product of its digits is 95256, while the sum is 42.

The square root of 79947123 is about 8941.3155072394. The cubic root of 79947123 is about 430.7919837136.

The spelling of 79947123 in words is "seventy-nine million, nine hundred forty-seven thousand, one hundred twenty-three".