866788547077708 has 24 divisors (see below), whose sum is σ = 1592541881134848. Its totient is φ = 412007786307216.

The previous prime is 866788547077703. The next prime is 866788547077741. The reversal of 866788547077708 is 807770745887668.

It is not an unprimeable number, because it can be changed into a prime (866788547077703) 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, 28900643416 + ... + 28900673407.

It is an arithmetic number, because the mean of its divisors is an integer number (66355911713952).

Almost surely, 2^{866788547077708} is an apocalyptic number.

It is an amenable number.

866788547077708 is a deficient number, since it is larger than the sum of its proper divisors (725753334057140).

866788547077708 is a wasteful number, since it uses less digits than its factorization.

866788547077708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57801317013 (or 57801317011 counting only the distinct ones).

The product of its (nonzero) digits is 49565859840, while the sum is 88.

The spelling of 866788547077708 in words is "eight hundred sixty-six trillion, seven hundred eighty-eight billion, five hundred forty-seven million, seventy-seven thousand, seven hundred eight".