79113 has 4 divisors (see below), whose sum is σ = 105488. Its totient is φ = 52740.

The previous prime is 79111. The next prime is 79133. The reversal of 79113 is 31197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31197 = 3 ⋅10399.

It is not a de Polignac number, because 79113 - 2¹ = 79111 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

79113 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 79113.

It is not an unprimeable number, because it can be changed into a prime (79111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13183 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (26372).

2⁷⁹¹¹³ is an apocalyptic number.

It is an amenable number.

79113 is a deficient number, since it is larger than the sum of its proper divisors (26375).

79113 is a wasteful number, since it uses less digits than its factorization.

79113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26374.

The product of its digits is 189, while the sum is 21.

The square root of 79113 is about 281.2703325984. The cubic root of 79113 is about 42.9288529610.

The spelling of 79113 in words is "seventy-nine thousand, one hundred thirteen".