866788526376696 has 256 divisors, whose sum is σ = 2822957717299200. Its totient is φ = 215059769971200.

The previous prime is 866788526376637. The next prime is 866788526376697. The reversal of 866788526376696 is 696673625887668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866788526376697) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17612686 + ... + 45208226.

It is an arithmetic number, because the mean of its divisors is an integer number (11027178583200).

Almost surely, 2^{866788526376696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866788526376696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411478858649600).

866788526376696 is an abundant number, since it is smaller than the sum of its proper divisors (1956169190922504).

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

866788526376696 is a wasteful number, since it uses less digits than its factorization.

866788526376696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596330 (or 27596326 counting only the distinct ones).

The product of its digits is 316036546560, while the sum is 93.

The spelling of 866788526376696 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, five hundred twenty-six million, three hundred seventy-six thousand, six hundred ninety-six".