889859958988 has 192 divisors, whose sum is σ = 2164566297600. Its totient is φ = 308764431360.

The previous prime is 889859958983. The next prime is 889859959003.

889859958988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×889859958988² (a number of 25 digits) contains 22 as substring.

Its product of digits (42998169600) is a multiple of the sum of its prime factors (5760).

It is a junction number, because it is equal to n+sod(n) for n = 889859958896 and 889859958905.

It is not an unprimeable number, because it can be changed into a prime (889859958983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253015006 + ... + 253018522.

It is an arithmetic number, because the mean of its divisors is an integer number (11273782800).

Almost surely, 2^889859958988 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 889859958988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082283148800).

889859958988 is an abundant number, since it is smaller than the sum of its proper divisors (1274706338612).

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

889859958988 is a wasteful number, since it uses less digits than its factorization.

889859958988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760 (or 5758 counting only the distinct ones).

The product of its digits is 42998169600, while the sum is 94.

The spelling of 889859958988 in words is "eight hundred eighty-nine billion, eight hundred fifty-nine million, nine hundred fifty-eight thousand, nine hundred eighty-eight".