3887731023289 has 9 divisors (see below), whose sum is σ = 3895525084837. Its totient is φ = 3879952536604.

The previous prime is 3887731023259. The next prime is 3887731023299. The reversal of 3887731023289 is 9823201377883.

The square root of 3887731023289 is 1971733.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3887731023289 - 2⁷ = 3887731023161 is a prime.

It is a super-2 number, since 2×3887731023289² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3887731023229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1157405592 + ... + 1157408950.

Almost surely, 2^{3887731023289} is an apocalyptic number.

3887731023289 is the 1971733-rd square number.

3887731023289 is the 985867-th centered octagonal number.

It is an amenable number.

3887731023289 is a deficient number, since it is larger than the sum of its proper divisors (7794061548).

3887731023289 is an frugal number, since it uses more digits than its factorization.

3887731023289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7892 (or 3946 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 3887731023289 in words is "three trillion, eight hundred eighty-seven billion, seven hundred thirty-one million, twenty-three thousand, two hundred eighty-nine".