27437274216271 has 4 divisors (see below), whose sum is σ = 27437608846152. Its totient is φ = 27436939586392.

The previous prime is 27437274216241. The next prime is 27437274216283. The reversal of 27437274216271 is 17261247273472.

It is a happy number.

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 27437274216271 - 2⁵ = 27437274216239 is a prime.

It is a super-2 number, since 2×27437274216271² (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 (27437274216241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167191921 + ... + 167355946.

It is an arithmetic number, because the mean of its divisors is an integer number (6859402211538).

Almost surely, 2^{27437274216271} is an apocalyptic number.

27437274216271 is a deficient number, since it is larger than the sum of its proper divisors (334629881).

27437274216271 is an equidigital number, since it uses as much as digits as its factorization.

27437274216271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334629880.

The product of its digits is 11063808, while the sum is 55.

The spelling of 27437274216271 in words is "twenty-seven trillion, four hundred thirty-seven billion, two hundred seventy-four million, two hundred sixteen thousand, two hundred seventy-one".