866786486563229 has 8 divisors (see below), whose sum is σ = 866960874678912. Its totient is φ = 866612110356720.

The previous prime is 866786486563199. The next prime is 866786486563237. The reversal of 866786486563229 is 922365684687668.

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 866786486563229 - 2²⁸ = 866786218127773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866786486563279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143326019 + ... + 149251199.

It is an arithmetic number, because the mean of its divisors is an integer number (108370109334864).

Almost surely, 2^{866786486563229} is an apocalyptic number.

It is an amenable number.

866786486563229 is a deficient number, since it is larger than the sum of its proper divisors (174388115683).

866786486563229 is a wasteful number, since it uses less digits than its factorization.

866786486563229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954587.

The product of its digits is 60197437440, while the sum is 86.

The spelling of 866786486563229 in words is "eight hundred sixty-six trillion, seven hundred eighty-six billion, four hundred eighty-six million, five hundred sixty-three thousand, two hundred twenty-nine".