27887214351 has 4 divisors (see below), whose sum is σ = 37182952472. Its totient is φ = 18591476232.

The previous prime is 27887214331. The next prime is 27887214353. The reversal of 27887214351 is 15341278872.

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

It is not a de Polignac number, because 27887214351 - 2⁶ = 27887214287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27887214351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27887214353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4647869056 + ... + 4647869061.

It is an arithmetic number, because the mean of its divisors is an integer number (9295738118).

Almost surely, 2^27887214351 is an apocalyptic number.

27887214351 is a deficient number, since it is larger than the sum of its proper divisors (9295738121).

27887214351 is an equidigital number, since it uses as much as digits as its factorization.

27887214351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295738120.

The product of its digits is 752640, while the sum is 48.

The spelling of 27887214351 in words is "twenty-seven billion, eight hundred eighty-seven million, two hundred fourteen thousand, three hundred fifty-one".