866362711 has 2 divisors, whose sum is σ = 866362712. Its totient is φ = 866362710.

The previous prime is 866362709. The next prime is 866362747. The reversal of 866362711 is 117263668.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 866362711 - 2¹ = 866362709 is a prime.

It is a super-4 number, since 4×866362711⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 866362709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866332711) 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, 433181355 + 433181356.

It is an arithmetic number, because the mean of its divisors is an integer number (433181356).

Almost surely, 2^866362711 is an apocalyptic number.

866362711 is a deficient number, since it is larger than the sum of its proper divisors (1).

866362711 is an equidigital number, since it uses as much as digits as its factorization.

866362711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 866362711 is about 29434.0400047292. The cubic root of 866362711 is about 953.3080284767.

The spelling of 866362711 in words is "eight hundred sixty-six million, three hundred sixty-two thousand, seven hundred eleven".