27380987 has 2 divisors, whose sum is σ = 27380988. Its totient is φ = 27380986.

The previous prime is 27380929. The next prime is 27380993. The reversal of 27380987 is 78908372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27380987 - 2⁶ = 27380923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27382987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13690493 + 13690494.

It is an arithmetic number, because the mean of its divisors is an integer number (13690494).

Almost surely, 2^27380987 is an apocalyptic number.

27380987 is a deficient number, since it is larger than the sum of its proper divisors (1).

27380987 is an equidigital number, since it uses as much as digits as its factorization.

27380987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 27380987 is about 5232.6844926863. The cubic root of 27380987 is about 301.4044775119.

The spelling of 27380987 in words is "twenty-seven million, three hundred eighty thousand, nine hundred eighty-seven".