911868866 has 16 divisors (see below), whose sum is σ = 1420372800. Its totient is φ = 438531408.

The previous prime is 911868829. The next prime is 911868871. The reversal of 911868866 is 668868119.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14636 + ... + 45143.

It is an arithmetic number, because the mean of its divisors is an integer number (88773300).

Almost surely, 2^911868866 is an apocalyptic number.

911868866 is a deficient number, since it is larger than the sum of its proper divisors (508503934).

911868866 is a wasteful number, since it uses less digits than its factorization.

911868866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60073.

The product of its digits is 995328, while the sum is 53.

The square root of 911868866 is about 30197.1665227054. The cubic root of 911868866 is about 969.7150351496.

The spelling of 911868866 in words is "nine hundred eleven million, eight hundred sixty-eight thousand, eight hundred sixty-six".