27814357 has 2 divisors, whose sum is σ = 27814358. Its totient is φ = 27814356.

The previous prime is 27814333. The next prime is 27814361. The reversal of 27814357 is 75341872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27447121 + 367236 = 5239^2 + 606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27814357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27884357) 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, 13907178 + 13907179.

It is an arithmetic number, because the mean of its divisors is an integer number (13907179).

Almost surely, 2^27814357 is an apocalyptic number.

It is an amenable number.

27814357 is a deficient number, since it is larger than the sum of its proper divisors (1).

27814357 is an equidigital number, since it uses as much as digits as its factorization.

27814357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 37.

The square root of 27814357 is about 5273.9318349785. The cubic root of 27814357 is about 302.9863115442.

The spelling of 27814357 in words is "twenty-seven million, eight hundred fourteen thousand, three hundred fifty-seven".