79945331 has 8 divisors (see below), whose sum is σ = 84235200. Its totient is φ = 75663720.

The previous prime is 79945297. The next prime is 79945337. The reversal of 79945331 is 13354997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79945331 - 2¹⁰ = 79944307 is a prime.

It is a super-2 number, since 2×79945331² = 12782511897399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79945337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35600 + ... + 37778.

It is an arithmetic number, because the mean of its divisors is an integer number (10529400).

Almost surely, 2^79945331 is an apocalyptic number.

79945331 is a deficient number, since it is larger than the sum of its proper divisors (4289869).

79945331 is a wasteful number, since it uses less digits than its factorization.

79945331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129.

The product of its digits is 102060, while the sum is 41.

The square root of 79945331 is about 8941.2152977098. The cubic root of 79945331 is about 430.7887649820.

The spelling of 79945331 in words is "seventy-nine million, nine hundred forty-five thousand, three hundred thirty-one".