889112136 has 128 divisors (see below), whose sum is σ = 2488320000. Its totient is φ = 262479360.

The previous prime is 889112099. The next prime is 889112143. The reversal of 889112136 is 631211988.

It is a junction number, because it is equal to n+sod(n) for n = 889112094 and 889112103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855945 + ... + 1856423.

It is an arithmetic number, because the mean of its divisors is an integer number (19440000).

Almost surely, 2^889112136 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 889112136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244160000).

889112136 is an abundant number, since it is smaller than the sum of its proper divisors (1599207864).

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

889112136 is a wasteful number, since it uses less digits than its factorization.

889112136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 663 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 889112136 is about 29817.9834328212. The cubic root of 889112136 is about 961.5802013129.

The spelling of 889112136 in words is "eight hundred eighty-nine million, one hundred twelve thousand, one hundred thirty-six".