868863764767 has 12 divisors (see below), whose sum is σ = 886532988880. Its totient is φ = 851539972608.

The previous prime is 868863764731. The next prime is 868863764777. The reversal of 868863764767 is 767467368868.

It is not a de Polignac number, because 868863764767 - 2²³ = 868855376159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 868863764693 and 868863764702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868863764777) 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 11 ways as a sum of consecutive naturals, for example, 2413183 + ... + 2749759.

Almost surely, 2^868863764767 is an apocalyptic number.

868863764767 is a deficient number, since it is larger than the sum of its proper divisors (17669224113).

868863764767 is an equidigital number, since it uses as much as digits as its factorization.

868863764767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337602 (or 337549 counting only the distinct ones).

The product of its digits is 2731180032, while the sum is 76.

The spelling of 868863764767 in words is "eight hundred sixty-eight billion, eight hundred sixty-three million, seven hundred sixty-four thousand, seven hundred sixty-seven".