889189496832 has 192 divisors, whose sum is σ = 2917654871040. Its totient is φ = 234511368192.

The previous prime is 889189496807. The next prime is 889189496851. The reversal of 889189496832 is 238694981988.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×889189496832² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236088 + ... + 1354295.

It is an arithmetic number, because the mean of its divisors is an integer number (15196119120).

Almost surely, 2^889189496832 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 889189496832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458827435520).

889189496832 is an abundant number, since it is smaller than the sum of its proper divisors (2028465374208).

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

889189496832 is a wasteful number, since it uses less digits than its factorization.

889189496832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590428 (or 1590408 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 75.

The spelling of 889189496832 in words is "eight hundred eighty-nine billion, one hundred eighty-nine million, four hundred ninety-six thousand, eight hundred thirty-two".