3789965881 has 8 divisors (see below), whose sum is σ = 4087268360. Its totient is φ = 3493487232.

The previous prime is 3789965869. The next prime is 3789965909. The reversal of 3789965881 is 1885699873.

3789965881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 98188281 + 3691777600 = 9909^2 + 60760^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3789965881 - 2¹⁷ = 3789834809 is a prime.

It is a super-2 number, since 2×3789965881² = 28727682758288212322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3789965281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196380 + ... + 214813.

It is an arithmetic number, because the mean of its divisors is an integer number (510908545).

Almost surely, 2^3789965881 is an apocalyptic number.

It is an amenable number.

3789965881 is a deficient number, since it is larger than the sum of its proper divisors (297302479).

3789965881 is a wasteful number, since it uses less digits than its factorization.

3789965881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411915.

The product of its digits is 26127360, while the sum is 64.

The square root of 3789965881 is about 61562.6987793745. The cubic root of 3789965881 is about 1559.1160180564.

The spelling of 3789965881 in words is "three billion, seven hundred eighty-nine million, nine hundred sixty-five thousand, eight hundred eighty-one".