868166711 has 2 divisors, whose sum is σ = 868166712. Its totient is φ = 868166710.

The previous prime is 868166669. The next prime is 868166723. The reversal of 868166711 is 117661868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868166711 - 2¹⁰ = 868165687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868166111) 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 as a sum of consecutive naturals, namely, 434083355 + 434083356.

It is an arithmetic number, because the mean of its divisors is an integer number (434083356).

Almost surely, 2^868166711 is an apocalyptic number.

868166711 is a deficient number, since it is larger than the sum of its proper divisors (1).

868166711 is an equidigital number, since it uses as much as digits as its factorization.

868166711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 44.

The square root of 868166711 is about 29464.6688595002. The cubic root of 868166711 is about 953.9692509138.

The spelling of 868166711 in words is "eight hundred sixty-eight million, one hundred sixty-six thousand, seven hundred eleven".