79822685 has 8 divisors (see below), whose sum is σ = 97825536. Its totient is φ = 62499280.

The previous prime is 79822679. The next prime is 79822733. The reversal of 79822685 is 58622897.

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

It is not a de Polignac number, because 79822685 - 2⁴ = 79822669 is a prime.

It is a super-2 number, since 2×79822685² = 12743322081218450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169601 + ... + 170070.

It is an arithmetic number, because the mean of its divisors is an integer number (12228192).

Almost surely, 2^79822685 is an apocalyptic number.

It is an amenable number.

79822685 is a deficient number, since it is larger than the sum of its proper divisors (18002851).

79822685 is a wasteful number, since it uses less digits than its factorization.

79822685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339723.

The product of its digits is 483840, while the sum is 47.

The square root of 79822685 is about 8934.3542016197. The cubic root of 79822685 is about 430.5683578634.

The spelling of 79822685 in words is "seventy-nine million, eight hundred twenty-two thousand, six hundred eighty-five".