889716171 has 32 divisors (see below), whose sum is σ = 1251544896. Its totient is φ = 561600000.

The previous prime is 889716167. The next prime is 889716181. The reversal of 889716171 is 171617988.

It is not a de Polignac number, because 889716171 - 2² = 889716167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889716171.

It is not an unprimeable number, because it can be changed into a prime (889716161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683221 + ... + 684521.

It is an arithmetic number, because the mean of its divisors is an integer number (39110778).

Almost surely, 2^889716171 is an apocalyptic number.

889716171 is a deficient number, since it is larger than the sum of its proper divisors (361828725).

889716171 is a wasteful number, since it uses less digits than its factorization.

889716171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its digits is 169344, while the sum is 48.

The square root of 889716171 is about 29828.1104161829. The cubic root of 889716171 is about 961.7979078657.

The spelling of 889716171 in words is "eight hundred eighty-nine million, seven hundred sixteen thousand, one hundred seventy-one".