866786486563230 has 64 divisors (see below), whose sum is σ = 2201308583758848. Its totient is φ = 217979373624320.

The previous prime is 866786486563199. The next prime is 866786486563237. The reversal of 866786486563230 is 32365684687668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866786486563237) 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 31 ways as a sum of consecutive naturals, for example, 8846516499 + ... + 8846614478.

It is an arithmetic number, because the mean of its divisors is an integer number (34395446621232).

Almost surely, 2^{866786486563230} is an apocalyptic number.

866786486563230 is an abundant number, since it is smaller than the sum of its proper divisors (1334522097195618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866786486563230 is a wasteful number, since it uses less digits than its factorization.

866786486563230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693131081.

The product of its (nonzero) digits is 10032906240, while the sum is 78.

The spelling of 866786486563230 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 thirty".