79318845 has 56 divisors (see below), whose sum is σ = 146059776. Its totient is φ = 41313888.

The previous prime is 79318819. The next prime is 79318853. The reversal of 79318845 is 54881397.

It is not a de Polignac number, because 79318845 - 2⁶ = 79318781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79318845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 171084 + ... + 171546.

Almost surely, 2^79318845 is an apocalyptic number.

It is an amenable number.

79318845 is a deficient number, since it is larger than the sum of its proper divisors (66740931).

79318845 is an equidigital number, since it uses as much as digits as its factorization.

79318845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 518 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 79318845 is about 8906.1127884167. The cubic root of 79318845 is about 429.6605307018.

The spelling of 79318845 in words is "seventy-nine million, three hundred eighteen thousand, eight hundred forty-five".