27676009 has 2 divisors, whose sum is σ = 27676010. Its totient is φ = 27676008.

The previous prime is 27676003. The next prime is 27676031. The reversal of 27676009 is 90067672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 8139609 = 4420^2 + 2853^2 .

It is a cyclic number.

It is not a de Polignac number, because 27676009 - 2³ = 27676001 is a prime.

It is a super-2 number, since 2×27676009² = 1531922948336162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27676001) 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, 13838004 + 13838005.

It is an arithmetic number, because the mean of its divisors is an integer number (13838005).

Almost surely, 2^27676009 is an apocalyptic number.

It is an amenable number.

27676009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27676009 is an equidigital number, since it uses as much as digits as its factorization.

27676009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 27676009 is about 5260.7992738746. The cubic root of 27676009 is about 302.4831272605.

The spelling of 27676009 in words is "twenty-seven million, six hundred seventy-six thousand, nine".