3881769984 has 132 divisors (see below), whose sum is σ = 11696492496. Its totient is φ = 1237598208.

The previous prime is 3881769971. The next prime is 3881770027. The reversal of 3881769984 is 4899671883.

3881769984 is a `hidden beast` number, since 388 + 176 + 9 + 9 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202812 + ... + 221124.

Almost surely, 2^3881769984 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 3881769984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5848246248).

3881769984 is an abundant number, since it is smaller than the sum of its proper divisors (7814722512).

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

3881769984 is a wasteful number, since it uses less digits than its factorization.

3881769984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18362 (or 18341 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 3881769984 is about 62303.8520799477. The cubic root of 3881769984 is about 1571.6045078544.

It can be divided in two parts, 38817 and 69984, that added together give a palindrome (108801).

The spelling of 3881769984 in words is "three billion, eight hundred eighty-one million, seven hundred sixty-nine thousand, nine hundred eighty-four".