27755028050117 has 2 divisors, whose sum is σ = 27755028050118. Its totient is φ = 27755028050116.

The previous prime is 27755028049993. The next prime is 27755028050129. The reversal of 27755028050117 is 71105082055772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27232857057121 + 522170992996 = 5218511^2 + 722614^2 .

It is a cyclic number.

It is not a de Polignac number, because 27755028050117 - 2²⁸ = 27754759614661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27755028052117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13877514025058 + 13877514025059.

It is an arithmetic number, because the mean of its divisors is an integer number (13877514025059).

Almost surely, 2^{27755028050117} is an apocalyptic number.

It is an amenable number.

27755028050117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27755028050117 is an equidigital number, since it uses as much as digits as its factorization.

27755028050117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372000, while the sum is 50.

The spelling of 27755028050117 in words is "twenty-seven trillion, seven hundred fifty-five billion, twenty-eight million, fifty thousand, one hundred seventeen".