8278255000840 has 64 divisors (see below), whose sum is σ = 21514609272960. Its totient is φ = 2833199569920.

The previous prime is 8278255000819. The next prime is 8278255000843. The reversal of 8278255000840 is 480005528728.

It is not an unprimeable number, because it can be changed into a prime (8278255000843) 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 15 ways as a sum of consecutive naturals, for example, 553351812 + ... + 553366771.

It is an arithmetic number, because the mean of its divisors is an integer number (336165769890).

Almost surely, 2^{8278255000840} is an apocalyptic number.

It is an amenable number.

8278255000840 is an abundant number, since it is smaller than the sum of its proper divisors (13236354272120).

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

8278255000840 is a wasteful number, since it uses less digits than its factorization.

8278255000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106718622 (or 1106718618 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 8278255000840 in words is "eight trillion, two hundred seventy-eight billion, two hundred fifty-five million, eight hundred forty", and thus it is an aban number.