879975 has 18 divisors (see below), whose sum is σ = 1576536. Its totient is φ = 469200.

The previous prime is 879973. The next prime is 879979. The reversal of 879975 is 579978.

It is not a de Polignac number, because 879975 - 2¹ = 879973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

879975 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 879975.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 879975.

It is not an unprimeable number, because it can be changed into a prime (879973) 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 17 ways as a sum of consecutive naturals, for example, 1731 + ... + 2180.

2⁸⁷⁹⁹⁷⁵ is an apocalyptic number.

879975 is a deficient number, since it is larger than the sum of its proper divisors (696561).

879975 is a wasteful number, since it uses less digits than its factorization.

879975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3919 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 879975 is about 938.0698268253. The cubic root of 879975 is about 95.8274896668.

The spelling of 879975 in words is "eight hundred seventy-nine thousand, nine hundred seventy-five".