889715142144 has 160 divisors (see below), whose sum is σ = 2788538084640. Its totient is φ = 279126245376.

The previous prime is 889715142119. The next prime is 889715142149. The reversal of 889715142144 is 441241517988.

It is a happy number.

889715142144 is a `hidden beast` number, since 8 + 89 + 7 + 1 + 514 + 2 + 1 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889715142149) 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 15 ways as a sum of consecutive naturals, for example, 1657939 + ... + 2127954.

It is an arithmetic number, because the mean of its divisors is an integer number (17428363029).

Almost surely, 2^889715142144 is an apocalyptic number.

It is an amenable number.

889715142144 is an abundant number, since it is smaller than the sum of its proper divisors (1898822942496).

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

889715142144 is a wasteful number, since it uses less digits than its factorization.

889715142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785937 (or 3785915 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The spelling of 889715142144 in words is "eight hundred eighty-nine billion, seven hundred fifteen million, one hundred forty-two thousand, one hundred forty-four".