8790985728 has 528 divisors, whose sum is σ = 30996492800. Its totient is φ = 2487324672.

The previous prime is 8790985717. The next prime is 8790985729. The reversal of 8790985728 is 8275890978.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8790985729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85349325 + ... + 85349427.

Almost surely, 2^8790985728 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 8790985728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15498246400).

8790985728 is an abundant number, since it is smaller than the sum of its proper divisors (22205507072).

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

8790985728 is an equidigital number, since it uses as much as digits as its factorization.

8790985728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The square root of 8790985728 is about 93760.2566549388. The cubic root of 8790985728 is about 2063.8550466077.

The spelling of 8790985728 in words is "eight billion, seven hundred ninety million, nine hundred eighty-five thousand, seven hundred twenty-eight".