889977 has 16 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 532800.

The previous prime is 889963. The next prime is 889997. The reversal of 889977 is 779988.

It is not a de Polignac number, because 889977 - 2¹² = 885881 is a prime.

It is a zygodrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 889977.

It is not an unprimeable number, because it can be changed into a prime (889907) 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 15 ways as a sum of consecutive naturals, for example, 4827 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2⁸⁸⁹⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

889977 is a deficient number, since it is larger than the sum of its proper divisors (420423).

889977 is a wasteful number, since it uses less digits than its factorization.

889977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 254016, while the sum is 48.

The square root of 889977 is about 943.3859231513. The cubic root of 889977 is about 96.1891885505.

The spelling of 889977 in words is "eight hundred eighty-nine thousand, nine hundred seventy-seven".