180979 has 4 divisors (see below), whose sum is σ = 183600. Its totient is φ = 178360.

The previous prime is 180959. The next prime is 181001. The reversal of 180979 is 979081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979081 = 17 ⋅57593.

It is a cyclic number.

It is not a de Polignac number, because 180979 - 2¹¹ = 178931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204 + ... + 1345.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2¹⁸⁰⁹⁷⁹ is an apocalyptic number.

180979 is a deficient number, since it is larger than the sum of its proper divisors (2621).

180979 is an equidigital number, since it uses as much as digits as its factorization.

180979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 180979 is about 425.4162667318. The cubic root of 180979 is about 56.5643405178.

The spelling of 180979 in words is "one hundred eighty thousand, nine hundred seventy-nine".