27285008939 has 2 divisors, whose sum is σ = 27285008940. Its totient is φ = 27285008938.

The previous prime is 27285008899. The next prime is 27285008981. The reversal of 27285008939 is 93980058272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27285008939 - 2⁸ = 27285008683 is a prime.

It is not a weakly prime, because it can be changed into another prime (27285088939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13642504469 + 13642504470.

It is an arithmetic number, because the mean of its divisors is an integer number (13642504470).

Almost surely, 2^27285008939 is an apocalyptic number.

27285008939 is a deficient number, since it is larger than the sum of its proper divisors (1).

27285008939 is an equidigital number, since it uses as much as digits as its factorization.

27285008939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 27285008939 in words is "twenty-seven billion, two hundred eighty-five million, eight thousand, nine hundred thirty-nine".