27823707866 has 16 divisors (see below), whose sum is σ = 44483256000. Its totient is φ = 13006795200.

The previous prime is 27823707851. The next prime is 27823707889. The reversal of 27823707866 is 66870732872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704616 + ... + 2714883.

It is an arithmetic number, because the mean of its divisors is an integer number (2780203500).

Almost surely, 2^27823707866 is an apocalyptic number.

27823707866 is a deficient number, since it is larger than the sum of its proper divisors (16659548134).

27823707866 is a wasteful number, since it uses less digits than its factorization.

27823707866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419669.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 27823707866 in words is "twenty-seven billion, eight hundred twenty-three million, seven hundred seven thousand, eight hundred sixty-six".