86768865863 has 6 divisors (see below), whose sum is σ = 89658152712. Its totient is φ = 83969869260.

The previous prime is 86768865823. The next prime is 86768865877. The reversal of 86768865863 is 36856886768.

It is not a de Polignac number, because 86768865863 - 2²⁸ = 86500430407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86768865823) 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 in 5 ways as a sum of consecutive naturals, for example, 45144131 + ... + 45146052.

It is an arithmetic number, because the mean of its divisors is an integer number (14943025452).

Almost surely, 2^86768865863 is an apocalyptic number.

86768865863 is a deficient number, since it is larger than the sum of its proper divisors (2889286849).

86768865863 is an equidigital number, since it uses as much as digits as its factorization.

86768865863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90290245 (or 90290214 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 71.

The spelling of 86768865863 in words is "eighty-six billion, seven hundred sixty-eight million, eight hundred sixty-five thousand, eight hundred sixty-three".