27325979 has 2 divisors, whose sum is σ = 27325980. Its totient is φ = 27325978.

The previous prime is 27325957. The next prime is 27325993. The reversal of 27325979 is 97952372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27325979 - 2²⁰ = 26277403 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27315979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13662989 + 13662990.

It is an arithmetic number, because the mean of its divisors is an integer number (13662990).

Almost surely, 2^27325979 is an apocalyptic number.

27325979 is a deficient number, since it is larger than the sum of its proper divisors (1).

27325979 is an equidigital number, since it uses as much as digits as its factorization.

27325979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 44.

The square root of 27325979 is about 5227.4256570515. The cubic root of 27325979 is about 301.2025031435.

The spelling of 27325979 in words is "twenty-seven million, three hundred twenty-five thousand, nine hundred seventy-nine".