3897238327983 has 144 divisors (see below), whose sum is σ = 7620237800448. Its totient is φ = 1867652899200.

The previous prime is 3897238327981. The next prime is 3897238327991.

It is a happy number.

3897238327983 is a `hidden beast` number, since 3 + 89 + 72 + 383 + 27 + 9 + 83 = 666.

3897238327983 is nontrivially palindromic in base 10.

3897238327983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3897238327983 - 2¹ = 3897238327981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897238327981) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 173114698 + ... + 173137208.

Almost surely, 2^{3897238327983} is an apocalyptic number.

3897238327983 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3897238327983 is a deficient number, since it is larger than the sum of its proper divisors (3722999472465).

3897238327983 is a wasteful number, since it uses less digits than its factorization.

3897238327983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306 (or 24292 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 72.

The spelling of 3897238327983 in words is "three trillion, eight hundred ninety-seven billion, two hundred thirty-eight million, three hundred twenty-seven thousand, nine hundred eighty-three".