3878243583841 has 16 divisors (see below), whose sum is σ = 4305544427520. Its totient is φ = 3463482298320.

The previous prime is 3878243583791. The next prime is 3878243583869. The reversal of 3878243583841 is 1483853428783.

It is not a de Polignac number, because 3878243583841 - 2²¹ = 3878241486689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3878243583341) 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, 1176165 + ... + 3023218.

It is an arithmetic number, because the mean of its divisors is an integer number (269096526720).

Almost surely, 2^{3878243583841} is an apocalyptic number.

It is an amenable number.

3878243583841 is a deficient number, since it is larger than the sum of its proper divisors (427300843679).

3878243583841 is a wasteful number, since it uses less digits than its factorization.

3878243583841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200876.

The product of its digits is 123863040, while the sum is 64.

The spelling of 3878243583841 in words is "three trillion, eight hundred seventy-eight billion, two hundred forty-three million, five hundred eighty-three thousand, eight hundred forty-one".