9884664889 has 8 divisors (see below), whose sum is σ = 10868179968. Its totient is φ = 8915301360.

The previous prime is 9884664863. The next prime is 9884664931.

9884664889 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9884664889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9884664809) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3536422 + ... + 3539215.

It is an arithmetic number, because the mean of its divisors is an integer number (1358522496).

Almost surely, 2^9884664889 is an apocalyptic number.

It is an amenable number.

9884664889 is a deficient number, since it is larger than the sum of its proper divisors (983515079).

9884664889 is a wasteful number, since it uses less digits than its factorization.

9884664889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075775.

The product of its digits is 191102976, while the sum is 70.

The square root of 9884664889 is about 99421.6520130298. The cubic root of 9884664889 is about 2146.1199092839.

The spelling of 9884664889 in words is "nine billion, eight hundred eighty-four million, six hundred sixty-four thousand, eight hundred eighty-nine".