3861842567188 has 24 divisors (see below), whose sum is σ = 6765454725120. Its totient is φ = 1928856078240.

The previous prime is 3861842567147. The next prime is 3861842567273. The reversal of 3861842567188 is 8817652481683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28261293 + ... + 28397611.

It is an arithmetic number, because the mean of its divisors is an integer number (281893946880).

Almost surely, 2^{3861842567188} is an apocalyptic number.

It is an amenable number.

3861842567188 is a deficient number, since it is larger than the sum of its proper divisors (2903612157932).

3861842567188 is a wasteful number, since it uses less digits than its factorization.

3861842567188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143847 (or 143845 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 67.

The spelling of 3861842567188 in words is "three trillion, eight hundred sixty-one billion, eight hundred forty-two million, five hundred sixty-seven thousand, one hundred eighty-eight".