889089992 has 32 divisors (see below), whose sum is σ = 1913613120. Its totient is φ = 379354560.

The previous prime is 889089991. The next prime is 889090019. The reversal of 889089992 is 299980988.

It is not an unprimeable number, because it can be changed into a prime (889089991) 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 7 ways as a sum of consecutive naturals, for example, 22259 + ... + 47682.

It is an arithmetic number, because the mean of its divisors is an integer number (59800410).

Almost surely, 2^889089992 is an apocalyptic number.

It is an amenable number.

889089992 is an abundant number, since it is smaller than the sum of its proper divisors (1024523128).

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

889089992 is a wasteful number, since it uses less digits than its factorization.

889089992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70181 (or 70177 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 62.

The square root of 889089992 is about 29817.6121109656. The cubic root of 889089992 is about 961.5722182896.

The spelling of 889089992 in words is "eight hundred eighty-nine million, eighty-nine thousand, nine hundred ninety-two".