27975039337 has 4 divisors (see below), whose sum is σ = 31971473536. Its totient is φ = 23978605140.

The previous prime is 27975039317. The next prime is 27975039377. The reversal of 27975039337 is 73393057972.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27975039337 - 2²⁷ = 27840821609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27975039317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998217089 + ... + 1998217102.

It is an arithmetic number, because the mean of its divisors is an integer number (7992868384).

Almost surely, 2^27975039337 is an apocalyptic number.

It is an amenable number.

27975039337 is a deficient number, since it is larger than the sum of its proper divisors (3996434199).

27975039337 is an equidigital number, since it uses as much as digits as its factorization.

27975039337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996434198.

The product of its (nonzero) digits is 7501410, while the sum is 55.

The spelling of 27975039337 in words is "twenty-seven billion, nine hundred seventy-five million, thirty-nine thousand, three hundred thirty-seven".