158879 has 4 divisors (see below), whose sum is σ = 181584. Its totient is φ = 136176.

The previous prime is 158867. The next prime is 158881. The reversal of 158879 is 978851.

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

It is a cyclic number.

It is not a de Polignac number, because 158879 - 2⁴ = 158863 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158849) by changing a digit.

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, 11342 + ... + 11355.

It is an arithmetic number, because the mean of its divisors is an integer number (45396).

2¹⁵⁸⁸⁷⁹ is an apocalyptic number.

158879 is a deficient number, since it is larger than the sum of its proper divisors (22705).

158879 is an equidigital number, since it uses as much as digits as its factorization.

158879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22704.

The product of its digits is 20160, while the sum is 38.

The square root of 158879 is about 398.5962869872. The cubic root of 158879 is about 54.1612691532.

The spelling of 158879 in words is "one hundred fifty-eight thousand, eight hundred seventy-nine".