871879 has 4 divisors (see below), whose sum is σ = 923184. Its totient is φ = 820576.

The previous prime is 871867. The next prime is 871883. The reversal of 871879 is 978178.

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 871879 - 2¹⁹ = 347591 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 (871679) 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, 25627 + ... + 25660.

It is an arithmetic number, because the mean of its divisors is an integer number (230796).

2⁸⁷¹⁸⁷⁹ is an apocalyptic number.

871879 is a deficient number, since it is larger than the sum of its proper divisors (51305).

871879 is a wasteful number, since it uses less digits than its factorization.

871879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51304.

The product of its digits is 28224, while the sum is 40.

The square root of 871879 is about 933.7446117649. The cubic root of 871879 is about 95.5327044591.

The spelling of 871879 in words is "eight hundred seventy-one thousand, eight hundred seventy-nine".