3987562271 has 16 divisors (see below), whose sum is σ = 5131880448. Its totient is φ = 3006957600.

The previous prime is 3987562217. The next prime is 3987562283. The reversal of 3987562271 is 1722657893.

3987562271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3987562271 - 2¹⁰ = 3987561247 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 (3987562171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832880 + ... + 837653.

It is an arithmetic number, because the mean of its divisors is an integer number (320742528).

Almost surely, 2^3987562271 is an apocalyptic number.

3987562271 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3987562271 is a deficient number, since it is larger than the sum of its proper divisors (1144318177).

3987562271 is a wasteful number, since it uses less digits than its factorization.

3987562271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670582.

The product of its digits is 1270080, while the sum is 50.

The square root of 3987562271 is about 63147.1477661501. The cubic root of 3987562271 is about 1585.7540383528.

The spelling of 3987562271 in words is "three billion, nine hundred eighty-seven million, five hundred sixty-two thousand, two hundred seventy-one".