889572964140 has 768 divisors, whose sum is σ = 3432508047360. Its totient is φ = 186655518720.

The previous prime is 889572964117. The next prime is 889572964277. The reversal of 889572964140 is 41469275988.

889572964140 is a `hidden beast` number, since 8 + 89 + 57 + 2 + 96 + 414 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 460678975 + ... + 460680905.

It is an arithmetic number, because the mean of its divisors is an integer number (4469411520).

Almost surely, 2^889572964140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889572964140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716254023680).

889572964140 is an abundant number, since it is smaller than the sum of its proper divisors (2542935083220).

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

889572964140 is a wasteful number, since it uses less digits than its factorization.

889572964140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 889572964140 in words is "eight hundred eighty-nine billion, five hundred seventy-two million, nine hundred sixty-four thousand, one hundred forty".