9985281360 has 80 divisors (see below), whose sum is σ = 31116579840. Its totient is φ = 2648788480.

The previous prime is 9985281343. The next prime is 9985281391. The reversal of 9985281360 is 631825899.

It is a happy number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63075 + ... + 154754.

It is an arithmetic number, because the mean of its divisors is an integer number (388957248).

Almost surely, 2^9985281360 is an apocalyptic number.

It is an amenable number.

9985281360 is an abundant number, since it is smaller than the sum of its proper divisors (21131298480).

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

9985281360 is a wasteful number, since it uses less digits than its factorization.

9985281360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218036 (or 218030 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 9985281360 is about 99926.3797002573. The cubic root of 9985281360 is about 2153.3771593948.

The spelling of 9985281360 in words is "nine billion, nine hundred eighty-five million, two hundred eighty-one thousand, three hundred sixty".