9986087992 has 16 divisors (see below), whose sum is σ = 18843177960. Its totient is φ = 4961240544.

The previous prime is 9986087977. The next prime is 9986087999. The reversal of 9986087992 is 2997806899.

9986087992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986087999) 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 3 ways as a sum of consecutive naturals, for example, 3974098 + ... + 3976609.

Almost surely, 2^9986087992 is an apocalyptic number.

It is an amenable number.

9986087992 is a deficient number, since it is larger than the sum of its proper divisors (8857089968).

9986087992 is a wasteful number, since it uses less digits than its factorization.

9986087992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7950870 (or 7950866 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 67.

The square root of 9986087992 is about 99930.4157501609. The cubic root of 9986087992 is about 2153.4351426100.

The spelling of 9986087992 in words is "nine billion, nine hundred eighty-six million, eighty-seven thousand, nine hundred ninety-two".