889440709900 has 18 divisors (see below), whose sum is σ = 1930086340700. Its totient is φ = 355776283920.

The previous prime is 889440709837. The next prime is 889440709933. The reversal of 889440709900 is 9907044988.

It is a super-2 number, since 2×889440709900² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4447203450 + ... + 4447203649.

Almost surely, 2^889440709900 is an apocalyptic number.

It is an amenable number.

889440709900 is an abundant number, since it is smaller than the sum of its proper divisors (1040645630800).

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

889440709900 is a wasteful number, since it uses less digits than its factorization.

889440709900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894407113 (or 8894407106 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 889440709900 in words is "eight hundred eighty-nine billion, four hundred forty million, seven hundred nine thousand, nine hundred".