3881654784 has 240 divisors, whose sum is σ = 13280275008. Its totient is φ = 1108795392.

The previous prime is 3881654747. The next prime is 3881654813. The reversal of 3881654784 is 4874561883.

3881654784 is a `hidden beast` number, since 3 + 8 + 8 + 16 + 547 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3881654784.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868684 + ... + 873140.

Almost surely, 2^3881654784 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 3881654784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640137504).

3881654784 is an abundant number, since it is smaller than the sum of its proper divisors (9398620224).

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

3881654784 is an frugal number, since it uses more digits than its factorization.

3881654784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497 (or 4469 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 3881654784 is about 62302.9275716639. The cubic root of 3881654784 is about 1571.5889607689.

The spelling of 3881654784 in words is "three billion, eight hundred eighty-one million, six hundred fifty-four thousand, seven hundred eighty-four".