9986565752 has 32 divisors (see below), whose sum is σ = 18970406400. Its totient is φ = 4928200704.

The previous prime is 9986565749. The next prime is 9986565763. The reversal of 9986565752 is 2575656899.

It is a congruent number.

It is an unprimeable number.

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, 170624 + ... + 221552.

It is an arithmetic number, because the mean of its divisors is an integer number (592825200).

Almost surely, 2^9986565752 is an apocalyptic number.

It is an amenable number.

9986565752 is a deficient number, since it is larger than the sum of its proper divisors (8983840648).

9986565752 is a wasteful number, since it uses less digits than its factorization.

9986565752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51255 (or 51251 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 62.

The square root of 9986565752 is about 99932.8061849561. The cubic root of 9986565752 is about 2153.4694840113.

The spelling of 9986565752 in words is "nine billion, nine hundred eighty-six million, five hundred sixty-five thousand, seven hundred fifty-two".