79939023 has 8 divisors (see below), whose sum is σ = 112195200. Its totient is φ = 50487768.

The previous prime is 79939019. The next prime is 79939031. The reversal of 79939023 is 32093997.

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

It is not a de Polignac number, because 79939023 - 2² = 79939019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79939063) 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, 701163 + ... + 701276.

It is an arithmetic number, because the mean of its divisors is an integer number (14024400).

Almost surely, 2^79939023 is an apocalyptic number.

79939023 is a deficient number, since it is larger than the sum of its proper divisors (32256177).

79939023 is a wasteful number, since it uses less digits than its factorization.

79939023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402461.

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 79939023 is about 8940.8625422830. The cubic root of 79939023 is about 430.7774343766. Note that the first 3 decimals are identical.

The spelling of 79939023 in words is "seventy-nine million, nine hundred thirty-nine thousand, twenty-three".