27854159 has 2 divisors, whose sum is σ = 27854160. Its totient is φ = 27854158.

The previous prime is 27854149. The next prime is 27854179. The reversal of 27854159 is 95145872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27854159 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27854149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13927079 + 13927080.

It is an arithmetic number, because the mean of its divisors is an integer number (13927080).

Almost surely, 2^27854159 is an apocalyptic number.

27854159 is a deficient number, since it is larger than the sum of its proper divisors (1).

27854159 is an equidigital number, since it uses as much as digits as its factorization.

27854159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 27854159 is about 5277.7039515304. The cubic root of 27854159 is about 303.1307658803.

The spelling of 27854159 in words is "twenty-seven million, eight hundred fifty-four thousand, one hundred fifty-nine".