8963287280 has 80 divisors (see below), whose sum is σ = 21482910720. Its totient is φ = 3476080896.

The previous prime is 8963287273. The next prime is 8963287301. The reversal of 8963287280 is 827823698.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391181 + ... + 413459.

It is an arithmetic number, because the mean of its divisors is an integer number (268536384).

Almost surely, 2^8963287280 is an apocalyptic number.

8963287280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8963287280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10741455360).

8963287280 is an abundant number, since it is smaller than the sum of its proper divisors (12519623440).

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

8963287280 is a wasteful number, since it uses less digits than its factorization.

8963287280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22446 (or 22440 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 8963287280 is about 94674.6390539726. The cubic root of 8963287280 is about 2077.2516153679.

The spelling of 8963287280 in words is "eight billion, nine hundred sixty-three million, two hundred eighty-seven thousand, two hundred eighty".