79235289 has 24 divisors (see below), whose sum is σ = 133024320. Its totient is φ = 44507808.

The previous prime is 79235281. The next prime is 79235291. The reversal of 79235289 is 98253297.

It is not a de Polignac number, because 79235289 - 2³ = 79235281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79235281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6942 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (5542680).

Almost surely, 2^79235289 is an apocalyptic number.

It is an amenable number.

79235289 is a deficient number, since it is larger than the sum of its proper divisors (53789031).

79235289 is a wasteful number, since it uses less digits than its factorization.

79235289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21389 (or 21386 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 79235289 is about 8901.4206169577. The cubic root of 79235289 is about 429.5096067994.

It can be divided in two parts, 79235 and 289, that added together give a square (79524 = 282²).

The spelling of 79235289 in words is "seventy-nine million, two hundred thirty-five thousand, two hundred eighty-nine".