79886 has 8 divisors (see below), whose sum is σ = 122040. Its totient is φ = 39208.

The previous prime is 79873. The next prime is 79889. The reversal of 79886 is 68897.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (15255).

2⁷⁹⁸⁸⁶ is an apocalyptic number.

79886 is a deficient number, since it is larger than the sum of its proper divisors (42154).

79886 is a wasteful number, since it uses less digits than its factorization.

79886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its digits is 24192, while the sum is 38.

The square root of 79886 is about 282.6411151973. The cubic root of 79886 is about 43.0682169415.

The spelling of 79886 in words is "seventy-nine thousand, eight hundred eighty-six".