3897887983 has 16 divisors (see below), whose sum is σ = 4326285600. Its totient is φ = 3481948800.

The previous prime is 3897887977. The next prime is 3897888017.

3897887983 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3897887983 - 2⁹ = 3897887471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897887783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854593 + ... + 859141.

It is an arithmetic number, because the mean of its divisors is an integer number (270392850).

Almost surely, 2^3897887983 is an apocalyptic number.

3897887983 is a deficient number, since it is larger than the sum of its proper divisors (428397617).

3897887983 is a wasteful number, since it uses less digits than its factorization.

3897887983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898.

The product of its digits is 146313216, while the sum is 70.

The square root of 3897887983 is about 62433.0680248857. The cubic root of 3897887983 is about 1573.7767248618.

The spelling of 3897887983 in words is "three billion, eight hundred ninety-seven million, eight hundred eighty-seven thousand, nine hundred eighty-three".