27862216666 has 16 divisors (see below), whose sum is σ = 41952328704. Its totient is φ = 13878194464.

The previous prime is 27862216633. The next prime is 27862216667. The reversal of 27862216666 is 66661226872.

It is not an unprimeable number, because it can be changed into a prime (27862216667) 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, 635241 + ... + 677683.

It is an arithmetic number, because the mean of its divisors is an integer number (2622020544).

Almost surely, 2^27862216666 is an apocalyptic number.

27862216666 is a deficient number, since it is larger than the sum of its proper divisors (14090112038).

27862216666 is a wasteful number, since it uses less digits than its factorization.

27862216666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43685.

The product of its digits is 3483648, while the sum is 52.

The spelling of 27862216666 in words is "twenty-seven billion, eight hundred sixty-two million, two hundred sixteen thousand, six hundred sixty-six".