9900544287 has 8 divisors (see below), whose sum is σ = 13201585200. Its totient is φ = 6599933120.

The previous prime is 9900544279. The next prime is 9900544289. The reversal of 9900544287 is 7824450099.

9900544287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9900544287 - 2³ = 9900544279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900544289) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49164 + ... + 149057.

It is an arithmetic number, because the mean of its divisors is an integer number (1650198150).

Almost surely, 2^9900544287 is an apocalyptic number.

9900544287 is a deficient number, since it is larger than the sum of its proper divisors (3301040913).

9900544287 is a wasteful number, since it uses less digits than its factorization.

9900544287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214873.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 9900544287 is about 99501.4788181563. The cubic root of 9900544287 is about 2147.2685187666.

The spelling of 9900544287 in words is "nine billion, nine hundred million, five hundred forty-four thousand, two hundred eighty-seven".