79328243 has 4 divisors (see below), whose sum is σ = 80628768. Its totient is φ = 78027720.

The previous prime is 79328213. The next prime is 79328251. The reversal of 79328243 is 34282397.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79328243 - 2⁸ = 79327987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79328197 and 79328206.

It is not an unprimeable number, because it can be changed into a prime (79328203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650171 + ... + 650292.

It is an arithmetic number, because the mean of its divisors is an integer number (20157192).

Almost surely, 2^79328243 is an apocalyptic number.

79328243 is a deficient number, since it is larger than the sum of its proper divisors (1300525).

79328243 is a wasteful number, since it uses less digits than its factorization.

79328243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300524.

The product of its digits is 72576, while the sum is 38.

The square root of 79328243 is about 8906.6403879353. The cubic root of 79328243 is about 429.6774993058.

The spelling of 79328243 in words is "seventy-nine million, three hundred twenty-eight thousand, two hundred forty-three".