889879 has 2 divisors, whose sum is σ = 889880. Its totient is φ = 889878.

The previous prime is 889877. The next prime is 889891. The reversal of 889879 is 978988.

889879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 889879 - 2¹ = 889877 is a prime.

Together with 889877, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444939 + 444940.

It is an arithmetic number, because the mean of its divisors is an integer number (444940).

2⁸⁸⁹⁸⁷⁹ is an apocalyptic number.

889879 is a deficient number, since it is larger than the sum of its proper divisors (1).

889879 is an equidigital number, since it uses as much as digits as its factorization.

889879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 49.

The square root of 889879 is about 943.3339811541. Note that the first 3 decimals coincide. The cubic root of 889879 is about 96.1856577901.

The spelling of 889879 in words is "eight hundred eighty-nine thousand, eight hundred seventy-nine".