9963905280 has 288 divisors, whose sum is σ = 37259405568. Its totient is φ = 2221670400.

The previous prime is 9963905167. The next prime is 9963905293. The reversal of 9963905280 is 825093699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097560 + ... + 1106600.

It is an arithmetic number, because the mean of its divisors is an integer number (129372936).

Almost surely, 2^9963905280 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 9963905280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18629702784).

9963905280 is an abundant number, since it is smaller than the sum of its proper divisors (27295500288).

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

9963905280 is a wasteful number, since it uses less digits than its factorization.

9963905280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9113 (or 9099 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The square root of 9963905280 is about 99819.3632518260. The cubic root of 9963905280 is about 2151.8394411335.

The spelling of 9963905280 in words is "nine billion, nine hundred sixty-three million, nine hundred five thousand, two hundred eighty".