9686550720 has 224 divisors, whose sum is σ = 38343937536. Its totient is φ = 2012774400.

The previous prime is 9686550697. The next prime is 9686550767. The reversal of 9686550720 is 270556869.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×9686550720² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9686550720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8400 + ... + 139440.

Almost surely, 2^9686550720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9686550720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19171968768).

9686550720 is an abundant number, since it is smaller than the sum of its proper divisors (28657386816).

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

9686550720 is a wasteful number, since it uses less digits than its factorization.

9686550720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131079 (or 131069 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 9686550720 is about 98420.2759597838. The cubic root of 9686550720 is about 2131.6851131925.

The spelling of 9686550720 in words is "nine billion, six hundred eighty-six million, five hundred fifty thousand, seven hundred twenty".