866786464110211 has 8 divisors (see below), whose sum is σ = 875411903442384. Its totient is φ = 858161875663200.

The previous prime is 866786464110181. The next prime is 866786464110241. The reversal of 866786464110211 is 112011464687668.

It is an interprime number because it is at equal distance from previous prime (866786464110181) and next prime (866786464110241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 866786464110211 - 2¹⁹ = 866786463585923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 866786464110211.

It is not an unprimeable number, because it can be changed into a prime (866786464110241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210673681 + ... + 214748626.

It is an arithmetic number, because the mean of its divisors is an integer number (109426487930298).

Almost surely, 2^{866786464110211} is an apocalyptic number.

866786464110211 is a deficient number, since it is larger than the sum of its proper divisors (8625439332173).

866786464110211 is a wasteful number, since it uses less digits than its factorization.

866786464110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425442581.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 866786464110211 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, four hundred sixty-four million, one hundred ten thousand, two hundred eleven".