179979 has 8 divisors (see below), whose sum is σ = 254160. Its totient is φ = 112896.

The previous prime is 179969. The next prime is 179981. The reversal of 179979 is 979971.

179979 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 179979 - 2⁵ = 179947 is a prime.

179979 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 179979.

It is not an unprimeable number, because it can be changed into a prime (179909) 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 7 ways as a sum of consecutive naturals, for example, 1714 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (31770).

2¹⁷⁹⁹⁷⁹ is an apocalyptic number.

179979 is a deficient number, since it is larger than the sum of its proper divisors (74181).

179979 is a wasteful number, since it uses less digits than its factorization.

179979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its digits is 35721, while the sum is 42.

The square root of 179979 is about 424.2393192527. The cubic root of 179979 is about 56.4599658967.

The spelling of 179979 in words is "one hundred seventy-nine thousand, nine hundred seventy-nine".