8839784879388 has 144 divisors (see below), whose sum is σ = 23215818336256. Its totient is φ = 2833012506240.

The previous prime is 8839784879371. The next prime is 8839784879473.

8839784879388 is a `hidden beast` number, since 8 + 8 + 3 + 97 + 8 + 487 + 9 + 38 + 8 = 666.

8839784879388 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8839784879298 and 8839784879307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613568481 + ... + 613582887.

Almost surely, 2^{8839784879388} 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 8839784879388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11607909168128).

8839784879388 is an abundant number, since it is smaller than the sum of its proper divisors (14376033456868).

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

8839784879388 is a wasteful number, since it uses less digits than its factorization.

8839784879388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984 (or 17979 counting only the distinct ones).

The product of its digits is 37456183296, while the sum is 90.

The spelling of 8839784879388 in words is "eight trillion, eight hundred thirty-nine billion, seven hundred eighty-four million, eight hundred seventy-nine thousand, three hundred eighty-eight".