27623811668863 has 16 divisors (see below), whose sum is σ = 29342713680000. Its totient is φ = 25932249760032.

The previous prime is 27623811668833. The next prime is 27623811668867. The reversal of 27623811668863 is 36886611832672.

It is not a de Polignac number, because 27623811668863 - 2²⁵ = 27623778114431 is a prime.

It is a super-2 number, since 2×27623811668863² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27623811668867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10457745 + ... + 12830122.

It is an arithmetic number, because the mean of its divisors is an integer number (1833919605000).

Almost surely, 2^{27623811668863} is an apocalyptic number.

27623811668863 is a deficient number, since it is larger than the sum of its proper divisors (1718902011137).

27623811668863 is a wasteful number, since it uses less digits than its factorization.

27623811668863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288454.

The product of its digits is 167215104, while the sum is 67.

The spelling of 27623811668863 in words is "twenty-seven trillion, six hundred twenty-three billion, eight hundred eleven million, six hundred sixty-eight thousand, eight hundred sixty-three".