4878394938784 has 48 divisors (see below), whose sum is σ = 9833069252160. Its totient is φ = 2381169530880.

The previous prime is 4878394938763. The next prime is 4878394938793.

4878394938784 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4878394938698 and 4878394938707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551312 + ... + 3487600.

It is an arithmetic number, because the mean of its divisors is an integer number (204855609420).

Almost surely, 2^{4878394938784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4878394938784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4916534626080).

4878394938784 is an abundant number, since it is smaller than the sum of its proper divisors (4954674313376).

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

4878394938784 is a wasteful number, since it uses less digits than its factorization.

4878394938784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938173 (or 1938165 counting only the distinct ones).

The product of its digits is 9364045824, while the sum is 82.

The spelling of 4878394938784 in words is "four trillion, eight hundred seventy-eight billion, three hundred ninety-four million, nine hundred thirty-eight thousand, seven hundred eighty-four".