866788526230264 has 16 divisors (see below), whose sum is σ = 1772976530925720. Its totient is φ = 393994784650080.

The previous prime is 866788526230243. The next prime is 866788526230337. The reversal of 866788526230264 is 462032625887668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924934808039 + ... + 4924934808214.

Almost surely, 2^{866788526230264} is an apocalyptic number.

It is an amenable number.

866788526230264 is an abundant number, since it is smaller than the sum of its proper divisors (906188004695456).

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

866788526230264 is a wasteful number, since it uses less digits than its factorization.

866788526230264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849869616270 (or 9849869616266 counting only the distinct ones).

The product of its (nonzero) digits is 2229534720, while the sum is 73.

The spelling of 866788526230264 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, five hundred twenty-six million, two hundred thirty thousand, two hundred sixty-four".