3866781084441 has 8 divisors (see below), whose sum is σ = 5624408850144. Its totient is φ = 2343503687520.

The previous prime is 3866781084403. The next prime is 3866781084473. The reversal of 3866781084441 is 1444801876683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3866781084441 - 2¹⁸ = 3866780822297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3866781084241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58587592156 + ... + 58587592221.

It is an arithmetic number, because the mean of its divisors is an integer number (703051106268).

Almost surely, 2^{3866781084441} is an apocalyptic number.

It is an amenable number.

3866781084441 is a deficient number, since it is larger than the sum of its proper divisors (1757627765703).

3866781084441 is a wasteful number, since it uses less digits than its factorization.

3866781084441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117175184391.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 3866781084441 in words is "three trillion, eight hundred sixty-six billion, seven hundred eighty-one million, eighty-four thousand, four hundred forty-one".