9654607728 has 160 divisors (see below), whose sum is σ = 28816518720. Its totient is φ = 3130804224.

The previous prime is 9654607709. The next prime is 9654607759. The reversal of 9654607728 is 8277064569.

9654607728 is a `hidden beast` number, since 9 + 6 + 5 + 4 + 607 + 7 + 28 = 666.

It is a super-2 number, since 2×9654607728² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1290976 + ... + 1298432.

It is an arithmetic number, because the mean of its divisors is an integer number (180103242).

Almost surely, 2^9654607728 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 9654607728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14408259360).

9654607728 is an abundant number, since it is smaller than the sum of its proper divisors (19161910992).

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

9654607728 is an equidigital number, since it uses as much as digits as its factorization.

9654607728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523 (or 7499 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 9654607728 is about 98257.8634410498. The cubic root of 9654607728 is about 2129.3393388455.

The spelling of 9654607728 in words is "nine billion, six hundred fifty-four million, six hundred seven thousand, seven hundred twenty-eight".