79828385 has 16 divisors (see below), whose sum is σ = 117901056. Its totient is φ = 50528448.

The previous prime is 79828373. The next prime is 79828417. The reversal of 79828385 is 58382897.

It is a cyclic number.

It is not a de Polignac number, because 79828385 - 2¹² = 79824289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87269 + ... + 88178.

It is an arithmetic number, because the mean of its divisors is an integer number (7368816).

Almost surely, 2^79828385 is an apocalyptic number.

It is an amenable number.

79828385 is a deficient number, since it is larger than the sum of its proper divisors (38072671).

79828385 is a wasteful number, since it uses less digits than its factorization.

79828385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175472.

The product of its digits is 967680, while the sum is 50.

The square root of 79828385 is about 8934.6731893226. The cubic root of 79828385 is about 430.5786063336.

The spelling of 79828385 in words is "seventy-nine million, eight hundred twenty-eight thousand, three hundred eighty-five".