27755375371 has 2 divisors, whose sum is σ = 27755375372. Its totient is φ = 27755375370.

The previous prime is 27755375357. The next prime is 27755375387. The reversal of 27755375371 is 17357355772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27755375371 - 2⁹ = 27755374859 is a prime.

It is a super-2 number, since 2×27755375371² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27755375341) 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 as a sum of consecutive naturals, namely, 13877687685 + 13877687686.

It is an arithmetic number, because the mean of its divisors is an integer number (13877687686).

Almost surely, 2^27755375371 is an apocalyptic number.

27755375371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27755375371 is an equidigital number, since it uses as much as digits as its factorization.

27755375371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5402250, while the sum is 52.

The spelling of 27755375371 in words is "twenty-seven billion, seven hundred fifty-five million, three hundred seventy-five thousand, three hundred seventy-one".