27088993 has 2 divisors, whose sum is σ = 27088994. Its totient is φ = 27088992.

The previous prime is 27088991. The next prime is 27089017. The reversal of 27088993 is 39988072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18515809 + 8573184 = 4303^2 + 2928^2 .

It is a cyclic number.

It is not a de Polignac number, because 27088993 - 2¹ = 27088991 is a prime.

Together with 27088991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27088991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544496 + 13544497.

It is an arithmetic number, because the mean of its divisors is an integer number (13544497).

Almost surely, 2^27088993 is an apocalyptic number.

It is an amenable number.

27088993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27088993 is an equidigital number, since it uses as much as digits as its factorization.

27088993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 27088993 is about 5204.7087334451. The cubic root of 27088993 is about 300.3292422367.

The spelling of 27088993 in words is "twenty-seven million, eighty-eight thousand, nine hundred ninety-three".