9812873286 has 24 divisors (see below), whose sum is σ = 21713593824. Its totient is φ = 3201362640.

The previous prime is 9812873281. The next prime is 9812873321. The reversal of 9812873286 is 6823782189.

It is a happy number.

9812873286 is a `hidden beast` number, since 9 + 81 + 287 + 3 + 286 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9812873281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5798725 + ... + 5800416.

It is an arithmetic number, because the mean of its divisors is an integer number (904733076).

Almost surely, 2^9812873286 is an apocalyptic number.

9812873286 is an abundant number, since it is smaller than the sum of its proper divisors (11900720538).

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

9812873286 is a wasteful number, since it uses less digits than its factorization.

9812873286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599196 (or 11599193 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 9812873286 is about 99059.9479406284. The cubic root of 9812873286 is about 2140.9115752772.

The spelling of 9812873286 in words is "nine billion, eight hundred twelve million, eight hundred seventy-three thousand, two hundred eighty-six".