889129564 has 6 divisors (see below), whose sum is σ = 1555976744. Its totient is φ = 444564780.

The previous prime is 889129559. The next prime is 889129583. The reversal of 889129564 is 465921988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111141192 + ... + 111141199.

Almost surely, 2^889129564 is an apocalyptic number.

It is an amenable number.

889129564 is a deficient number, since it is larger than the sum of its proper divisors (666847180).

889129564 is a wasteful number, since it uses less digits than its factorization.

889129564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222282395 (or 222282393 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 889129564 is about 29818.2756711383. The cubic root of 889129564 is about 961.5864841013.

The spelling of 889129564 in words is "eight hundred eighty-nine million, one hundred twenty-nine thousand, five hundred sixty-four".