7863882421824 has 448 divisors, whose sum is σ = 27894116302080. Its totient is φ = 2140233891840.

The previous prime is 7863882421771. The next prime is 7863882421847. The reversal of 7863882421824 is 4281242883687.

7863882421824 is a `hidden beast` number, since 7 + 8 + 6 + 388 + 242 + 1 + 8 + 2 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8712792 + ... + 9572904.

It is an arithmetic number, because the mean of its divisors is an integer number (62263652460).

Almost surely, 2^{7863882421824} is an apocalyptic number.

7863882421824 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7863882421824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13947058151040).

7863882421824 is an abundant number, since it is smaller than the sum of its proper divisors (20030233880256).

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

7863882421824 is a wasteful number, since it uses less digits than its factorization.

7863882421824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860195 (or 860179 counting only the distinct ones).

The product of its digits is 66060288, while the sum is 63.

The spelling of 7863882421824 in words is "seven trillion, eight hundred sixty-three billion, eight hundred eighty-two million, four hundred twenty-one thousand, eight hundred twenty-four".