27255377 has 2 divisors, whose sum is σ = 27255378. Its totient is φ = 27255376.

The previous prime is 27255373. The next prime is 27255379. The reversal of 27255377 is 77355272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 5202961 = 4696^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 27255377 - 2² = 27255373 is a prime.

Together with 27255379, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27255377.

It is not a weakly prime, because it can be changed into another prime (27255373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13627688 + 13627689.

It is an arithmetic number, because the mean of its divisors is an integer number (13627689).

Almost surely, 2^27255377 is an apocalyptic number.

It is an amenable number.

27255377 is a deficient number, since it is larger than the sum of its proper divisors (1).

27255377 is an equidigital number, since it uses as much as digits as its factorization.

27255377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102900, while the sum is 38.

The square root of 27255377 is about 5220.6682522451. The cubic root of 27255377 is about 300.9428742633.

The spelling of 27255377 in words is "twenty-seven million, two hundred fifty-five thousand, three hundred seventy-seven".