27127264207 has 4 divisors (see below), whose sum is σ = 27498870640. Its totient is φ = 26755657776.

The previous prime is 27127264183. The next prime is 27127264217. The reversal of 27127264207 is 70246272172.

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 27127264207 - 2¹⁹ = 27126739919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27127264207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27127264217) 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, 185803107 + ... + 185803252.

It is an arithmetic number, because the mean of its divisors is an integer number (6874717660).

Almost surely, 2^27127264207 is an apocalyptic number.

27127264207 is a deficient number, since it is larger than the sum of its proper divisors (371606433).

27127264207 is an equidigital number, since it uses as much as digits as its factorization.

27127264207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371606432.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 27127264207 in words is "twenty-seven billion, one hundred twenty-seven million, two hundred sixty-four thousand, two hundred seven".