768531135871 has 2 divisors, whose sum is σ = 768531135872. Its totient is φ = 768531135870.

The previous prime is 768531135863. The next prime is 768531135881. The reversal of 768531135871 is 178531135867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768531135871 - 2³ = 768531135863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768531135851) 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, 384265567935 + 384265567936.

It is an arithmetic number, because the mean of its divisors is an integer number (384265567936).

Almost surely, 2^768531135871 is an apocalyptic number.

768531135871 is a deficient number, since it is larger than the sum of its proper divisors (1).

768531135871 is an equidigital number, since it uses as much as digits as its factorization.

768531135871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 55.

The spelling of 768531135871 in words is "seven hundred sixty-eight billion, five hundred thirty-one million, one hundred thirty-five thousand, eight hundred seventy-one".