9280928784 has 120 divisors (see below), whose sum is σ = 25559381952. Its totient is φ = 2901254400.

The previous prime is 9280928773. The next prime is 9280928791. The reversal of 9280928784 is 4878290829.

It is a super-2 number, since 2×9280928784² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1747477 + ... + 1752779.

Almost surely, 2^9280928784 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 9280928784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12779690976).

9280928784 is an abundant number, since it is smaller than the sum of its proper divisors (16278453168).

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

9280928784 is a wasteful number, since it uses less digits than its factorization.

9280928784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 9280928784 is about 96337.5772167849. The cubic root of 9280928784 is about 2101.5052536751.

The spelling of 9280928784 in words is "nine billion, two hundred eighty million, nine hundred twenty-eight thousand, seven hundred eighty-four".