86682400866 has 24 divisors (see below), whose sum is σ = 187853715504. Its totient is φ = 28887695640.

The previous prime is 86682400823. The next prime is 86682400873. The reversal of 86682400866 is 66800428668.

It is a happy number.

86682400866 is a `hidden beast` number, since 86 + 6 + 82 + 400 + 86 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453120 + ... + 615371.

It is an arithmetic number, because the mean of its divisors is an integer number (7827238146).

Almost surely, 2^86682400866 is an apocalyptic number.

86682400866 is an abundant number, since it is smaller than the sum of its proper divisors (101171314638).

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

86682400866 is a wasteful number, since it uses less digits than its factorization.

86682400866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073006 (or 1073003 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 86682400866 in words is "eighty-six billion, six hundred eighty-two million, four hundred thousand, eight hundred sixty-six".