868591084763 has 2 divisors, whose sum is σ = 868591084764. Its totient is φ = 868591084762.

The previous prime is 868591084741. The next prime is 868591084849. The reversal of 868591084763 is 367480195868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868591084763 - 2¹⁰ = 868591083739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868591084763.

It is not a weakly prime, because it can be changed into another prime (868591084363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434295542381 + 434295542382.

It is an arithmetic number, because the mean of its divisors is an integer number (434295542382).

Almost surely, 2^868591084763 is an apocalyptic number.

868591084763 is a deficient number, since it is larger than the sum of its proper divisors (1).

868591084763 is an equidigital number, since it uses as much as digits as its factorization.

868591084763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 868591084763 in words is "eight hundred sixty-eight billion, five hundred ninety-one million, eighty-four thousand, seven hundred sixty-three".