768531135863 has 2 divisors, whose sum is σ = 768531135864. Its totient is φ = 768531135862.

The previous prime is 768531135851. The next prime is 768531135871. The reversal of 768531135863 is 368531135867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 768531135863 - 2⁴ = 768531135847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768531135799 and 768531135808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768531137863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384265567931 + 384265567932.

It is an arithmetic number, because the mean of its divisors is an integer number (384265567932).

Almost surely, 2^768531135863 is an apocalyptic number.

768531135863 is a deficient number, since it is larger than the sum of its proper divisors (1).

768531135863 is an equidigital number, since it uses as much as digits as its factorization.

768531135863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 56.

The spelling of 768531135863 in words is "seven hundred sixty-eight billion, five hundred thirty-one million, one hundred thirty-five thousand, eight hundred sixty-three".