9984428074264 has 32 divisors (see below), whose sum is σ = 21395350598400. Its totient is φ = 4279011086880.

The previous prime is 9984428074253. The next prime is 9984428074267. The reversal of 9984428074264 is 4624708244899.

It is a super-2 number, since 2×9984428074264² (a number of 27 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 9984428074264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984428074267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8870917 + ... + 9932875.

It is an arithmetic number, because the mean of its divisors is an integer number (668604706200).

Almost surely, 2^{9984428074264} is an apocalyptic number.

It is an amenable number.

9984428074264 is an abundant number, since it is smaller than the sum of its proper divisors (11410922524136).

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

9984428074264 is a wasteful number, since it uses less digits than its factorization.

9984428074264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229863 (or 1229859 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 67.

The spelling of 9984428074264 in words is "nine trillion, nine hundred eighty-four billion, four hundred twenty-eight million, seventy-four thousand, two hundred sixty-four".