879825 has 12 divisors (see below), whose sum is σ = 1454768. Its totient is φ = 469200.

The previous prime is 879821. The next prime is 879839. The reversal of 879825 is 528978.

It is not a de Polignac number, because 879825 - 2² = 879821 is a prime.

It is a Duffinian number.

It is a Curzon number.

879825 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 879825.

It is not an unprimeable number, because it can be changed into a prime (879821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5791 + ... + 5940.

2⁸⁷⁹⁸²⁵ is an apocalyptic number.

It is an amenable number.

879825 is a deficient number, since it is larger than the sum of its proper divisors (574943).

879825 is a wasteful number, since it uses less digits than its factorization.

879825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11744 (or 11739 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 879825 is about 937.9898720136. The cubic root of 879825 is about 95.8220444590.

The spelling of 879825 in words is "eight hundred seventy-nine thousand, eight hundred twenty-five".