27814637318 has 16 divisors (see below), whose sum is σ = 45887325120. Its totient is φ = 12564385536.

The previous prime is 27814637309. The next prime is 27814637351. The reversal of 27814637318 is 81373641872.

It is a happy number.

It is a congruent number.

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, 11379563 + ... + 11382006.

It is an arithmetic number, because the mean of its divisors is an integer number (2867957820).

Almost surely, 2^27814637318 is an apocalyptic number.

27814637318 is a deficient number, since it is larger than the sum of its proper divisors (18072687802).

27814637318 is a wasteful number, since it uses less digits than its factorization.

27814637318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22761631.

The product of its digits is 1354752, while the sum is 50.

The spelling of 27814637318 in words is "twenty-seven billion, eight hundred fourteen million, six hundred thirty-seven thousand, three hundred eighteen".