79616823 has 32 divisors (see below), whose sum is σ = 130152960. Its totient is φ = 42599040.

The previous prime is 79616791. The next prime is 79616857. The reversal of 79616823 is 32861697.

It is a happy number.

It is not a de Polignac number, because 79616823 - 2⁵ = 79616791 is a prime.

It is a super-2 number, since 2×79616823² = 12677677009226658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79616863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5833 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (4067280).

Almost surely, 2^79616823 is an apocalyptic number.

79616823 is a deficient number, since it is larger than the sum of its proper divisors (50536137).

79616823 is a wasteful number, since it uses less digits than its factorization.

79616823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119.

The product of its digits is 108864, while the sum is 42.

The square root of 79616823 is about 8922.8259536987. The cubic root of 79616823 is about 430.1978952093.

The spelling of 79616823 in words is "seventy-nine million, six hundred sixteen thousand, eight hundred twenty-three".