9987924648 has 32 divisors (see below), whose sum is σ = 26890567200. Its totient is φ = 3073207488.

The previous prime is 9987924641. The next prime is 9987924691. The reversal of 9987924648 is 8464297899.

It is not an unprimeable number, because it can be changed into a prime (9987924641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16005978 + ... + 16006601.

It is an arithmetic number, because the mean of its divisors is an integer number (840330225).

Almost surely, 2^9987924648 is an apocalyptic number.

It is an amenable number.

9987924648 is an abundant number, since it is smaller than the sum of its proper divisors (16902642552).

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

9987924648 is a wasteful number, since it uses less digits than its factorization.

9987924648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32012601 (or 32012597 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 66.

The square root of 9987924648 is about 99939.6050022212. The cubic root of 9987924648 is about 2153.5671555039.

The spelling of 9987924648 in words is "nine billion, nine hundred eighty-seven million, nine hundred twenty-four thousand, six hundred forty-eight".