27905275027 has 16 divisors (see below), whose sum is σ = 33023643840. Its totient is φ = 23071491072.

The previous prime is 27905274997. The next prime is 27905275031. The reversal of 27905275027 is 72057250972.

It is not a de Polignac number, because 27905275027 - 2²³ = 27896886419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27905275037) 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 15 ways as a sum of consecutive naturals, for example, 143163 + ... + 276235.

It is an arithmetic number, because the mean of its divisors is an integer number (2063977740).

Almost surely, 2^27905275027 is an apocalyptic number.

27905275027 is a deficient number, since it is larger than the sum of its proper divisors (5118368813).

27905275027 is a wasteful number, since it uses less digits than its factorization.

27905275027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134142.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 27905275027 in words is "twenty-seven billion, nine hundred five million, two hundred seventy-five thousand, twenty-seven".