27000079 has 2 divisors, whose sum is σ = 27000080. Its totient is φ = 27000078.

The previous prime is 27000049. The next prime is 27000089. The reversal of 27000079 is 97000072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27000079 - 2²³ = 18611471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500039 + 13500040.

It is an arithmetic number, because the mean of its divisors is an integer number (13500040).

Almost surely, 2^27000079 is an apocalyptic number.

27000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

27000079 is an equidigital number, since it uses as much as digits as its factorization.

27000079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 27000079 is about 5196.1600244796. The cubic root of 27000079 is about 300.0002925923. Note that the first 3 decimals are identical.

The spelling of 27000079 in words is "twenty-seven million, seventy-nine", and thus it is an aban number and an uban number.