27227678337427 has 4 divisors (see below), whose sum is σ = 27891768053016. Its totient is φ = 26563588621840.

The previous prime is 27227678337401. The next prime is 27227678337469. The reversal of 27227678337427 is 72473387672272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27227678337427 - 2¹⁹ = 27227677813139 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27227678334427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 332044857733 + ... + 332044857814.

It is an arithmetic number, because the mean of its divisors is an integer number (6972942013254).

Almost surely, 2^{27227678337427} is an apocalyptic number.

27227678337427 is a deficient number, since it is larger than the sum of its proper divisors (664089715589).

27227678337427 is an equidigital number, since it uses as much as digits as its factorization.

27227678337427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664089715588.

The product of its digits is 464679936, while the sum is 67.

The spelling of 27227678337427 in words is "twenty-seven trillion, two hundred twenty-seven billion, six hundred seventy-eight million, three hundred thirty-seven thousand, four hundred twenty-seven".