27906127 has 2 divisors, whose sum is σ = 27906128. Its totient is φ = 27906126.

The previous prime is 27906031. The next prime is 27906133. The reversal of 27906127 is 72160972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27906127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27906092 and 27906101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27906157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13953063 + 13953064.

It is an arithmetic number, because the mean of its divisors is an integer number (13953064).

Almost surely, 2^27906127 is an apocalyptic number.

27906127 is a deficient number, since it is larger than the sum of its proper divisors (1).

27906127 is an equidigital number, since it uses as much as digits as its factorization.

27906127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 27906127 is about 5282.6250103523. The cubic root of 27906127 is about 303.3191675817.

The spelling of 27906127 in words is "twenty-seven million, nine hundred six thousand, one hundred twenty-seven".