889877 has 2 divisors, whose sum is σ = 889878. Its totient is φ = 889876.

The previous prime is 889873. The next prime is 889879. The reversal of 889877 is 778988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625681 + 264196 = 791^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 889877 - 2² = 889873 is a prime.

Together with 889879, it forms a pair of twin primes.

It is a Chen prime.

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 889877.

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, 444938 + 444939.

It is an arithmetic number, because the mean of its divisors is an integer number (444939).

2⁸⁸⁹⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

889877 is a deficient number, since it is larger than the sum of its proper divisors (1).

889877 is an equidigital number, since it uses as much as digits as its factorization.

889877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 47.

The square root of 889877 is about 943.3329210835. The cubic root of 889877 is about 96.1855857311.

Subtracting from 889877 its reverse (778988), we obtain a square (110889 = 333²).

The spelling of 889877 in words is "eight hundred eighty-nine thousand, eight hundred seventy-seven".