9660280785792 has 768 divisors, whose sum is σ = 33232146001920. Its totient is φ = 2431546490880.

The previous prime is 9660280785769. The next prime is 9660280785811. The reversal of 9660280785792 is 2975870820669.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1028012838 + ... + 1028022234.

It is an arithmetic number, because the mean of its divisors is an integer number (43271023440).

Almost surely, 2^{9660280785792} 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 9660280785792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16616073000960).

9660280785792 is an abundant number, since it is smaller than the sum of its proper divisors (23571865216128).

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

9660280785792 is a wasteful number, since it uses less digits than its factorization.

9660280785792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9551 (or 9526 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 9660280785792 in words is "nine trillion, six hundred sixty billion, two hundred eighty million, seven hundred eighty-five thousand, seven hundred ninety-two".