3868271865 has 48 divisors (see below), whose sum is σ = 6950174400. Its totient is φ = 1987929216.

The previous prime is 3868271861. The next prime is 3868271899. The reversal of 3868271865 is 5681728683.

3868271865 is a `hidden beast` number, since 386 + 82 + 7 + 186 + 5 = 666.

3868271865 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3868271865 - 2² = 3868271861 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3868271861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 711126 + ... + 716544.

It is an arithmetic number, because the mean of its divisors is an integer number (144795300).

Almost surely, 2^3868271865 is an apocalyptic number.

It is an amenable number.

3868271865 is a deficient number, since it is larger than the sum of its proper divisors (3081902535).

3868271865 is a wasteful number, since it uses less digits than its factorization.

3868271865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006 (or 6003 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 3868271865 is about 62195.4328307152. The cubic root of 3868271865 is about 1569.7807400676.

The spelling of 3868271865 in words is "three billion, eight hundred sixty-eight million, two hundred seventy-one thousand, eight hundred sixty-five".