79999238 has 8 divisors (see below), whose sum is σ = 130907880. Its totient is φ = 36363280.

The previous prime is 79999223. The next prime is 79999247. The reversal of 79999238 is 83299997.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818143 + ... + 1818186.

It is an arithmetic number, because the mean of its divisors is an integer number (16363485).

Almost surely, 2^79999238 is an apocalyptic number.

79999238 is a deficient number, since it is larger than the sum of its proper divisors (50908642).

79999238 is a wasteful number, since it uses less digits than its factorization.

79999238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636342.

The product of its digits is 2204496, while the sum is 56.

The square root of 79999238 is about 8944.2293128028. The cubic root of 79999238 is about 430.8855699360.

The spelling of 79999238 in words is "seventy-nine million, nine hundred ninety-nine thousand, two hundred thirty-eight".