6871879 has 4 divisors (see below), whose sum is σ = 7853584. Its totient is φ = 5890176.

The previous prime is 6871849. The next prime is 6871897. The reversal of 6871879 is 9781786.

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

It is a cyclic number.

It is not a de Polignac number, because 6871879 - 2¹⁷ = 6740807 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 (6871829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490842 + ... + 490855.

It is an arithmetic number, because the mean of its divisors is an integer number (1963396).

Almost surely, 2^6871879 is an apocalyptic number.

6871879 is a deficient number, since it is larger than the sum of its proper divisors (981705).

6871879 is an equidigital number, since it uses as much as digits as its factorization.

6871879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981704.

The product of its digits is 169344, while the sum is 46.

The square root of 6871879 is about 2621.4269015176. The cubic root of 6871879 is about 190.1188453142.

It can be divided in two parts, 6871 and 879, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 6871879 in words is "six million, eight hundred seventy-one thousand, eight hundred seventy-nine".