3881793887 has 2 divisors, whose sum is σ = 3881793888. Its totient is φ = 3881793886.

The previous prime is 3881793847. The next prime is 3881793893. The reversal of 3881793887 is 7883971883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3881793887 - 2⁶ = 3881793823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3881793847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940896943 + 1940896944.

It is an arithmetic number, because the mean of its divisors is an integer number (1940896944).

Almost surely, 2^3881793887 is an apocalyptic number.

3881793887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3881793887 is an equidigital number, since it uses as much as digits as its factorization.

3881793887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 62.

The square root of 3881793887 is about 62304.0439056728. The cubic root of 3881793887 is about 1571.6077337012.

The spelling of 3881793887 in words is "three billion, eight hundred eighty-one million, seven hundred ninety-three thousand, eight hundred eighty-seven".