9999884334 has 32 divisors (see below), whose sum is σ = 22521738240. Its totient is φ = 2932516800.

The previous prime is 9999884333. The next prime is 9999884383. The reversal of 9999884334 is 4334889999.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999884333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2441719 + ... + 2445810.

It is an arithmetic number, because the mean of its divisors is an integer number (703804320).

Almost surely, 2^9999884334 is an apocalyptic number.

9999884334 is an abundant number, since it is smaller than the sum of its proper divisors (12521853906).

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

9999884334 is a wasteful number, since it uses less digits than its factorization.

9999884334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887576.

The product of its digits is 60466176, while the sum is 66.

The square root of 9999884334 is about 99999.4216683277. The cubic root of 9999884334 is about 2154.4263835051.

The spelling of 9999884334 in words is "nine billion, nine hundred ninety-nine million, eight hundred eighty-four thousand, three hundred thirty-four".