267879 has 4 divisors (see below), whose sum is σ = 357176. Its totient is φ = 178584.

The previous prime is 267877. The next prime is 267887. The reversal of 267879 is 978762.

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

It is not a de Polignac number, because 267879 - 2¹ = 267877 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267877) 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, 44644 + ... + 44649.

It is an arithmetic number, because the mean of its divisors is an integer number (89294).

2²⁶⁷⁸⁷⁹ is an apocalyptic number.

267879 is a deficient number, since it is larger than the sum of its proper divisors (89297).

267879 is an equidigital number, since it uses as much as digits as its factorization.

267879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89296.

The product of its digits is 42336, while the sum is 39.

The square root of 267879 is about 517.5702850821. The cubic root of 267879 is about 64.4633527773.

It can be divided in two parts, 26787 and 9, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 267879 in words is "two hundred sixty-seven thousand, eight hundred seventy-nine".