27888671341 has 4 divisors (see below), whose sum is σ = 28011529152. Its totient is φ = 27765813532.

The previous prime is 27888671249. The next prime is 27888671353. The reversal of 27888671341 is 14317688872.

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 27888671341 - 2¹¹ = 27888669293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27888671381) 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, 61428565 + ... + 61429018.

It is an arithmetic number, because the mean of its divisors is an integer number (7002882288).

Almost surely, 2^27888671341 is an apocalyptic number.

It is an amenable number.

27888671341 is a deficient number, since it is larger than the sum of its proper divisors (122857811).

27888671341 is a wasteful number, since it uses less digits than its factorization.

27888671341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122857810.

The product of its digits is 3612672, while the sum is 55.

The spelling of 27888671341 in words is "twenty-seven billion, eight hundred eighty-eight million, six hundred seventy-one thousand, three hundred forty-one".