889866203136 has 52 divisors (see below), whose sum is σ = 2372686904472. Its totient is φ = 296622063616.

The previous prime is 889866203089. The next prime is 889866203179. The reversal of 889866203136 is 631302668988.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 889866203136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36196461 + ... + 36221036.

Almost surely, 2^889866203136 is an apocalyptic number.

It is an amenable number.

889866203136 is an abundant number, since it is smaller than the sum of its proper divisors (1482820701336).

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

889866203136 is an equidigital number, since it uses as much as digits as its factorization.

889866203136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72417524 (or 72417502 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 889866203136 in words is "eight hundred eighty-nine billion, eight hundred sixty-six million, two hundred three thousand, one hundred thirty-six".