879555 has 16 divisors (see below), whose sum is σ = 1419264. Its totient is φ = 465120.

The previous prime is 879553. The next prime is 879581. The reversal of 879555 is 555978.

It is not a de Polignac number, because 879555 - 2¹ = 879553 is a prime.

879555 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (879553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (88704).

2⁸⁷⁹⁵⁵⁵ is an apocalyptic number.

879555 is a deficient number, since it is larger than the sum of its proper divisors (539709).

879555 is a wasteful number, since it uses less digits than its factorization.

879555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its digits is 63000, while the sum is 39.

The square root of 879555 is about 937.8459361750. The cubic root of 879555 is about 95.8122415250.

The spelling of 879555 in words is "eight hundred seventy-nine thousand, five hundred fifty-five".