27954089 has 2 divisors, whose sum is σ = 27954090. Its totient is φ = 27954088.

The previous prime is 27954083. The next prime is 27954107. The reversal of 27954089 is 98045972.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18344089 + 9610000 = 4283^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 27954089 - 2²⁰ = 26905513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27954083) 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, 13977044 + 13977045.

It is an arithmetic number, because the mean of its divisors is an integer number (13977045).

Almost surely, 2^27954089 is an apocalyptic number.

It is an amenable number.

27954089 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954089 is an equidigital number, since it uses as much as digits as its factorization.

27954089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 27954089 is about 5287.1626606338. The cubic root of 27954089 is about 303.4928387314.

The spelling of 27954089 in words is "twenty-seven million, nine hundred fifty-four thousand, eighty-nine".