9983785560 has 64 divisors (see below), whose sum is σ = 34230124800. Its totient is φ = 2282007936.

The previous prime is 9983785547. The next prime is 9983785583. The reversal of 9983785560 is 655873899.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9983785494 and 9983785503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5941890 + ... + 5943569.

It is an arithmetic number, because the mean of its divisors is an integer number (534845700).

Almost surely, 2^9983785560 is an apocalyptic number.

It is an amenable number.

9983785560 is an abundant number, since it is smaller than the sum of its proper divisors (24246339240).

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

9983785560 is a wasteful number, since it uses less digits than its factorization.

9983785560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885480 (or 11885476 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 9983785560 is about 99918.8949098217. The cubic root of 9983785560 is about 2153.2696283769.

The spelling of 9983785560 in words is "nine billion, nine hundred eighty-three million, seven hundred eighty-five thousand, five hundred sixty".