4042078768771 has 2 divisors, whose sum is σ = 4042078768772. Its totient is φ = 4042078768770.

The previous prime is 4042078768697. The next prime is 4042078768801. The reversal of 4042078768771 is 1778678702404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4042078768771 - 2³¹ = 4039931285123 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042078768171) 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, 2021039384385 + 2021039384386.

It is an arithmetic number, because the mean of its divisors is an integer number (2021039384386).

Almost surely, 2^{4042078768771} is an apocalyptic number.

4042078768771 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042078768771 is an equidigital number, since it uses as much as digits as its factorization.

4042078768771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29503488, while the sum is 61.

The spelling of 4042078768771 in words is "four trillion, forty-two billion, seventy-eight million, seven hundred sixty-eight thousand, seven hundred seventy-one".