15879 has 8 divisors (see below), whose sum is σ = 21760. Its totient is φ = 10296.

The previous prime is 15877. The next prime is 15881. The reversal of 15879 is 97851.

It is an interprime number because it is at equal distance from previous prime (15877) and next prime (15881).

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

It is not a de Polignac number, because 15879 - 2¹ = 15877 is a prime.

It is an Ulam number.

It is a Duffinian number.

15879 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15877) 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, 162 + ... + 240.

It is an arithmetic number, because the mean of its divisors is an integer number (2720).

2¹⁵⁸⁷⁹ is an apocalyptic number.

15879 is a deficient number, since it is larger than the sum of its proper divisors (5881).

15879 is an equidigital number, since it uses as much as digits as its factorization.

15879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its digits is 2520, while the sum is 30.

The square root of 15879 is about 126.0119041996. The cubic root of 15879 is about 25.1347391762.

It can be divided in two parts, 1587 and 9, that added together give a triangular number (1596 = T₅₆).

The spelling of 15879 in words is "fifteen thousand, eight hundred seventy-nine".