8282778281850 has 24 divisors (see below), whose sum is σ = 20541290139360. Its totient is φ = 2208740875120.

The previous prime is 8282778281761. The next prime is 8282778281851. The reversal of 8282778281850 is 581828772828.

It is not an unprimeable number, because it can be changed into a prime (8282778281851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27609260790 + ... + 27609261089.

It is an arithmetic number, because the mean of its divisors is an integer number (855887089140).

Almost surely, 2^{8282778281850} is an apocalyptic number.

8282778281850 is an abundant number, since it is smaller than the sum of its proper divisors (12258511857510).

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

8282778281850 is a wasteful number, since it uses less digits than its factorization.

8282778281850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55218521894 (or 55218521889 counting only the distinct ones).

The product of its (nonzero) digits is 64225280, while the sum is 66.

The spelling of 8282778281850 in words is "eight trillion, two hundred eighty-two billion, seven hundred seventy-eight million, two hundred eighty-one thousand, eight hundred fifty".