79152243 has 4 divisors (see below), whose sum is σ = 105536328. Its totient is φ = 52768160.

The previous prime is 79152191. The next prime is 79152251. The reversal of 79152243 is 34225197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34225197 = 3 ⋅11408399.

It is a cyclic number.

It is not a de Polignac number, because 79152243 - 2²⁰ = 78103667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79152643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13192038 + ... + 13192043.

It is an arithmetic number, because the mean of its divisors is an integer number (26384082).

Almost surely, 2^79152243 is an apocalyptic number.

79152243 is a deficient number, since it is larger than the sum of its proper divisors (26384085).

79152243 is a wasteful number, since it uses less digits than its factorization.

79152243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26384084.

The product of its digits is 15120, while the sum is 33.

The square root of 79152243 is about 8896.7546330108. The cubic root of 79152243 is about 429.3594989202.

The spelling of 79152243 in words is "seventy-nine million, one hundred fifty-two thousand, two hundred forty-three".