9986677720 has 32 divisors (see below), whose sum is σ = 22489157520. Its totient is φ = 3991269760.

The previous prime is 9986677709. The next prime is 9986677741. The reversal of 9986677720 is 277766899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58462 + ... + 152941.

Almost surely, 2^9986677720 is an apocalyptic number.

It is an amenable number.

9986677720 is an abundant number, since it is smaller than the sum of its proper divisors (12502479800).

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

9986677720 is a wasteful number, since it uses less digits than its factorization.

9986677720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212595 (or 212591 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The square root of 9986677720 is about 99933.3663998166. The cubic root of 9986677720 is about 2153.4775321157.

The spelling of 9986677720 in words is "nine billion, nine hundred eighty-six million, six hundred seventy-seven thousand, seven hundred twenty".