3871836113 has 4 divisors (see below), whose sum is σ = 3926369088. Its totient is φ = 3817303140.

The previous prime is 3871836097. The next prime is 3871836179. The reversal of 3871836113 is 3116381783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3871836113 - 2⁴ = 3871836097 is a prime.

It is a super-2 number, since 2×3871836113² = 29982229771861897538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871836413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27266381 + ... + 27266522.

It is an arithmetic number, because the mean of its divisors is an integer number (981592272).

Almost surely, 2^3871836113 is an apocalyptic number.

It is an amenable number.

3871836113 is a deficient number, since it is larger than the sum of its proper divisors (54532975).

3871836113 is an equidigital number, since it uses as much as digits as its factorization.

3871836113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54532974.

The product of its digits is 72576, while the sum is 41.

The square root of 3871836113 is about 62224.0798485602. The cubic root of 3871836113 is about 1570.2627270710.

The spelling of 3871836113 in words is "three billion, eight hundred seventy-one million, eight hundred thirty-six thousand, one hundred thirteen".