27315288907 has 4 divisors (see below), whose sum is σ = 27316247920. Its totient is φ = 27314329896.

The previous prime is 27315288899. The next prime is 27315288937. The reversal of 27315288907 is 70988251372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27315288907 - 2³ = 27315288899 is a prime.

It is a super-2 number, since 2×27315288907² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27315288937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435432 + ... + 494197.

It is an arithmetic number, because the mean of its divisors is an integer number (6829061980).

Almost surely, 2^27315288907 is an apocalyptic number.

27315288907 is a deficient number, since it is larger than the sum of its proper divisors (959013).

27315288907 is an equidigital number, since it uses as much as digits as its factorization.

27315288907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959012.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 27315288907 in words is "twenty-seven billion, three hundred fifteen million, two hundred eighty-eight thousand, nine hundred seven".