108979 has 8 divisors (see below), whose sum is σ = 119952. Its totient is φ = 98400.

The previous prime is 108971. The next prime is 108991. The reversal of 108979 is 979801.

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

It is a cyclic number.

It is not a de Polignac number, because 108979 - 2³ = 108971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (14994).

2¹⁰⁸⁹⁷⁹ is an apocalyptic number.

108979 is a deficient number, since it is larger than the sum of its proper divisors (10973).

108979 is a wasteful number, since it uses less digits than its factorization.

108979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197.

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

The square root of 108979 is about 330.1196752694. The cubic root of 108979 is about 47.7654939075.

The spelling of 108979 in words is "one hundred eight thousand, nine hundred seventy-nine".