3867248817 has 12 divisors (see below), whose sum is σ = 5715934224. Its totient is φ = 2518208280.

The previous prime is 3867248779. The next prime is 3867248837. The reversal of 3867248817 is 7188427683.

It is a happy number.

3867248817 is a `hidden beast` number, since 3 + 86 + 72 + 488 + 17 = 666.

3867248817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3867248817 - 2⁶ = 3867248753 is a prime.

It is a super-2 number, since 2×3867248817² = 29911226825175798978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3867248837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4996059 + ... + 4996832.

It is an arithmetic number, because the mean of its divisors is an integer number (476327852).

Almost surely, 2^3867248817 is an apocalyptic number.

It is an amenable number.

3867248817 is a deficient number, since it is larger than the sum of its proper divisors (1848685407).

3867248817 is a wasteful number, since it uses less digits than its factorization.

3867248817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9992940 (or 9992937 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 3867248817 is about 62187.2078244393. The cubic root of 3867248817 is about 1569.6423403979.

The spelling of 3867248817 in words is "three billion, eight hundred sixty-seven million, two hundred forty-eight thousand, eight hundred seventeen".