889228302985 has 16 divisors (see below), whose sum is σ = 1175382449280. Its totient is φ = 640432736640.

The previous prime is 889228302973. The next prime is 889228302997. The reversal of 889228302985 is 589203822988.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (889228302973) and next prime (889228302997).

It is not a de Polignac number, because 889228302985 - 2⁵ = 889228302953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78478740 + ... + 78490069.

It is an arithmetic number, because the mean of its divisors is an integer number (73461403080).

Almost surely, 2^889228302985 is an apocalyptic number.

It is an amenable number.

889228302985 is a deficient number, since it is larger than the sum of its proper divisors (286154146295).

889228302985 is a wasteful number, since it uses less digits than its factorization.

889228302985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156968928.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 889228302985 in words is "eight hundred eighty-nine billion, two hundred twenty-eight million, three hundred two thousand, nine hundred eighty-five".