3943078871 has 2 divisors, whose sum is σ = 3943078872. Its totient is φ = 3943078870.

The previous prime is 3943078859. The next prime is 3943078877. The reversal of 3943078871 is 1788703493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3943078871 - 2²² = 3938884567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3943078877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971539435 + 1971539436.

It is an arithmetic number, because the mean of its divisors is an integer number (1971539436).

Almost surely, 2^3943078871 is an apocalyptic number.

3943078871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943078871 is an equidigital number, since it uses as much as digits as its factorization.

3943078871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 3943078871 is about 62793.9397633243. The cubic root of 3943078871 is about 1579.8353285359.

The spelling of 3943078871 in words is "three billion, nine hundred forty-three million, seventy-eight thousand, eight hundred seventy-one".