79892885 has 4 divisors (see below), whose sum is σ = 95871468. Its totient is φ = 63914304.

The previous prime is 79892873. The next prime is 79892899. The reversal of 79892885 is 58829897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28153636 + 51739249 = 5306^2 + 7193^2 .

It is a cyclic number.

It is not a de Polignac number, because 79892885 - 2⁸ = 79892629 is a prime.

It is a super-3 number, since 3×79892885³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79892885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7989284 + ... + 7989293.

It is an arithmetic number, because the mean of its divisors is an integer number (23967867).

Almost surely, 2^79892885 is an apocalyptic number.

It is an amenable number.

79892885 is a deficient number, since it is larger than the sum of its proper divisors (15978583).

79892885 is a wasteful number, since it uses less digits than its factorization.

79892885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15978582.

The product of its digits is 2903040, while the sum is 56.

The square root of 79892885 is about 8938.2819937614. The cubic root of 79892885 is about 430.6945418855.

The spelling of 79892885 in words is "seventy-nine million, eight hundred ninety-two thousand, eight hundred eighty-five".