27975130889 has 4 divisors (see below), whose sum is σ = 28392670224. Its totient is φ = 27557591556.

The previous prime is 27975130819. The next prime is 27975130891. The reversal of 27975130889 is 98803157972.

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 a cyclic number.

It is not a de Polignac number, because 27975130889 - 2³² = 23680163593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27975130819) 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, 208769567 + ... + 208769700.

It is an arithmetic number, because the mean of its divisors is an integer number (7098167556).

Almost surely, 2^27975130889 is an apocalyptic number.

It is an amenable number.

27975130889 is a deficient number, since it is larger than the sum of its proper divisors (417539335).

27975130889 is an equidigital number, since it uses as much as digits as its factorization.

27975130889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417539334.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 27975130889 in words is "twenty-seven billion, nine hundred seventy-five million, one hundred thirty thousand, eight hundred eighty-nine".