878889 has 8 divisors (see below), whose sum is σ = 1278432. Its totient is φ = 532640.

The previous prime is 878873. The next prime is 878893. The reversal of 878889 is 988878.

It is a happy number.

878889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 878889 - 2⁴ = 878873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (878869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13284 + ... + 13349.

It is an arithmetic number, because the mean of its divisors is an integer number (159804).

2⁸⁷⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

878889 is a deficient number, since it is larger than the sum of its proper divisors (399543).

878889 is a wasteful number, since it uses less digits than its factorization.

878889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26647.

The product of its digits is 258048, while the sum is 48.

The square root of 878889 is about 937.4907999549. The cubic root of 878889 is about 95.7880523743.

The spelling of 878889 in words is "eight hundred seventy-eight thousand, eight hundred eighty-nine".