889132461128 has 36 divisors (see below), whose sum is σ = 1707015485385. Its totient is φ = 434171473344.

The previous prime is 889132461121. The next prime is 889132461157. The reversal of 889132461128 is 821164231988.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 504977941924 + 384154519204 = 710618^2 + 619802^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=666758.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889132461128.

It is not an unprimeable number, because it can be changed into a prime (889132461121) by changing a digit.

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 in 8 ways as a sum of consecutive naturals, for example, 114678500 + ... + 114686252.

Almost surely, 2^889132461128 is an apocalyptic number.

It is an amenable number.

889132461128 is a deficient number, since it is larger than the sum of its proper divisors (817883024257).

889132461128 is an frugal number, since it uses more digits than its factorization.

889132461128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598 (or 7798 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 53.

The spelling of 889132461128 in words is "eight hundred eighty-nine billion, one hundred thirty-two million, four hundred sixty-one thousand, one hundred twenty-eight".