889818688 has 28 divisors (see below), whose sum is σ = 1926256752. Its totient is φ = 404462720.

The previous prime is 889818673. The next prime is 889818691. The reversal of 889818688 is 886818988.

It is a Harshad number since it is a multiple of its sum of digits (64).

889818688 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631270 + ... + 632677.

It is an arithmetic number, because the mean of its divisors is an integer number (68794884).

Almost surely, 2^889818688 is an apocalyptic number.

889818688 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

889818688 is an abundant number, since it is smaller than the sum of its proper divisors (1036438064).

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

889818688 is a wasteful number, since it uses less digits than its factorization.

889818688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263970 (or 1263960 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 64.

The square root of 889818688 is about 29829.8288295458. The cubic root of 889818688 is about 961.8348473049.

The spelling of 889818688 in words is "eight hundred eighty-nine million, eight hundred eighteen thousand, six hundred eighty-eight".