83879 has 4 divisors (see below), whose sum is σ = 86184. Its totient is φ = 81576.

The previous prime is 83873. The next prime is 83891. The reversal of 83879 is 97838.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83873) 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, 1097 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (21546).

2⁸³⁸⁷⁹ is an apocalyptic number.

83879 is a deficient number, since it is larger than the sum of its proper divisors (2305).

83879 is a wasteful number, since it uses less digits than its factorization.

83879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its digits is 12096, while the sum is 35.

The square root of 83879 is about 289.6187148649. The cubic root of 83879 is about 43.7741526502.

The spelling of 83879 in words is "eighty-three thousand, eight hundred seventy-nine".