889924666144 has 24 divisors (see below), whose sum is σ = 1759558682700. Its totient is φ = 443052619776.

The previous prime is 889924666129. The next prime is 889924666157. The reversal of 889924666144 is 441666429988.

It can be written as a sum of positive squares in 2 ways, for example, as 708458890000 + 181465776144 = 841700^2 + 425988^2 .

It is a super-2 number, since 2×889924666144² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 889924666144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59670969 + ... + 59685880.

Almost surely, 2^889924666144 is an apocalyptic number.

It is an amenable number.

889924666144 is a deficient number, since it is larger than the sum of its proper divisors (869634016556).

889924666144 is a wasteful number, since it uses less digits than its factorization.

889924666144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119357092 (or 119357084 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 67.

The spelling of 889924666144 in words is "eight hundred eighty-nine billion, nine hundred twenty-four million, six hundred sixty-six thousand, one hundred forty-four".