3871789824 has 288 divisors, whose sum is σ = 12428043264. Its totient is φ = 1046200320.

The previous prime is 3871789819. The next prime is 3871789837. The reversal of 3871789824 is 4289871783.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21391014 + ... + 21391194.

It is an arithmetic number, because the mean of its divisors is an integer number (43152928).

Almost surely, 2^3871789824 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 3871789824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6214021632).

3871789824 is an abundant number, since it is smaller than the sum of its proper divisors (8556253440).

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

3871789824 is a wasteful number, since it uses less digits than its factorization.

3871789824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 389 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The square root of 3871789824 is about 62223.7078933745. The cubic root of 3871789824 is about 1570.2564693869.

The spelling of 3871789824 in words is "three billion, eight hundred seventy-one million, seven hundred eighty-nine thousand, eight hundred twenty-four".