3827447873 has 4 divisors (see below), whose sum is σ = 3827572308. Its totient is φ = 3827323440.

The previous prime is 3827447861. The next prime is 3827447879. The reversal of 3827447873 is 3787447283.

It is a happy number.

3827447873 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2194641409 + 1632806464 = 46847^2 + 40408^2 .

It is a cyclic number.

It is not a de Polignac number, because 3827447873 - 2⁴ = 3827447857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3827447879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21215 + ... + 90027.

It is an arithmetic number, because the mean of its divisors is an integer number (956893077).

Almost surely, 2^3827447873 is an apocalyptic number.

It is an amenable number.

3827447873 is a deficient number, since it is larger than the sum of its proper divisors (124435).

3827447873 is an equidigital number, since it uses as much as digits as its factorization.

3827447873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124434.

The product of its digits is 6322176, while the sum is 53.

The square root of 3827447873 is about 61866.3710993299. The cubic root of 3827447873 is about 1564.2389468898.

The spelling of 3827447873 in words is "three billion, eight hundred twenty-seven million, four hundred forty-seven thousand, eight hundred seventy-three".