889151988 has 12 divisors (see below), whose sum is σ = 2074688000. Its totient is φ = 296383992.

The previous prime is 889151981. The next prime is 889151993.

889151988 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889151981) 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 3 ways as a sum of consecutive naturals, for example, 37047988 + ... + 37048011.

Almost surely, 2^889151988 is an apocalyptic number.

It is an amenable number.

889151988 is an abundant number, since it is smaller than the sum of its proper divisors (1185536012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889151988 is a wasteful number, since it uses less digits than its factorization.

889151988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74096006 (or 74096004 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 57.

The square root of 889151988 is about 29818.6516797792. The cubic root of 889151988 is about 961.5945678253.

The spelling of 889151988 in words is "eight hundred eighty-nine million, one hundred fifty-one thousand, nine hundred eighty-eight".