889142863 has 16 divisors (see below), whose sum is σ = 1055338240. Its totient is φ = 733271616.

The previous prime is 889142843. The next prime is 889142897. The reversal of 889142863 is 368241988.

It is not a de Polignac number, because 889142863 - 2⁹ = 889142351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889142833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878 + ... + 42211.

It is an arithmetic number, because the mean of its divisors is an integer number (65958640).

Almost surely, 2^889142863 is an apocalyptic number.

889142863 is a deficient number, since it is larger than the sum of its proper divisors (166195377).

889142863 is a wasteful number, since it uses less digits than its factorization.

889142863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44206.

The product of its digits is 663552, while the sum is 49.

The square root of 889142863 is about 29818.4986711270. The cubic root of 889142863 is about 961.5912783313.

The spelling of 889142863 in words is "eight hundred eighty-nine million, one hundred forty-two thousand, eight hundred sixty-three".