9987057132 has 24 divisors (see below), whose sum is σ = 25095682416. Its totient is φ = 3072940608.

The previous prime is 9987057127. The next prime is 9987057139. The reversal of 9987057132 is 2317507899.

9987057132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9987057139) 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, 32009643 + ... + 32009954.

It is an arithmetic number, because the mean of its divisors is an integer number (1045653434).

Almost surely, 2^9987057132 is an apocalyptic number.

It is an amenable number.

9987057132 is an abundant number, since it is smaller than the sum of its proper divisors (15108625284).

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

9987057132 is a wasteful number, since it uses less digits than its factorization.

9987057132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64019617 (or 64019615 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 9987057132 is about 99935.2647067090. The cubic root of 9987057132 is about 2153.5048032761.

The spelling of 9987057132 in words is "nine billion, nine hundred eighty-seven million, fifty-seven thousand, one hundred thirty-two".