79115963 has 4 divisors (see below), whose sum is σ = 80413008. Its totient is φ = 77818920.

The previous prime is 79115957. The next prime is 79115969. The reversal of 79115963 is 36951197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36951197 = 37 ⋅998681.

It is an interprime number because it is at equal distance from previous prime (79115957) and next prime (79115969).

It is not a de Polignac number, because 79115963 - 2⁴ = 79115947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79115963.

It is not an unprimeable number, because it can be changed into a prime (79115969) 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, 648431 + ... + 648552.

It is an arithmetic number, because the mean of its divisors is an integer number (20103252).

Almost surely, 2^79115963 is an apocalyptic number.

79115963 is a deficient number, since it is larger than the sum of its proper divisors (1297045).

79115963 is a wasteful number, since it uses less digits than its factorization.

79115963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297044.

The product of its digits is 51030, while the sum is 41.

The square root of 79115963 is about 8894.7154535713. The cubic root of 79115963 is about 429.2938888899.

The spelling of 79115963 in words is "seventy-nine million, one hundred fifteen thousand, nine hundred sixty-three".