9566120784 has 160 divisors (see below), whose sum is σ = 27341107200. Its totient is φ = 2858042880.

The previous prime is 9566120723. The next prime is 9566120789. The reversal of 9566120784 is 4870216659.

9566120784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9566120789) 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 31 ways as a sum of consecutive naturals, for example, 20660937 + ... + 20661399.

It is an arithmetic number, because the mean of its divisors is an integer number (170881920).

Almost surely, 2^9566120784 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 9566120784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13670553600).

9566120784 is an abundant number, since it is smaller than the sum of its proper divisors (17774986416).

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

9566120784 is a wasteful number, since it uses less digits than its factorization.

9566120784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 9566120784 is about 97806.5477562724. The cubic root of 9566120784 is about 2122.8140499035.

The spelling of 9566120784 in words is "nine billion, five hundred sixty-six million, one hundred twenty thousand, seven hundred eighty-four".