13668127887 has 8 divisors (see below), whose sum is σ = 18224728704. Its totient is φ = 9111806168.

The previous prime is 13668127871. The next prime is 13668127901. The reversal of 13668127887 is 78872186631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13668127887 - 2⁴ = 13668127871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13668126887) 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 7 ways as a sum of consecutive naturals, for example, 112588 + ... + 200030.

It is an arithmetic number, because the mean of its divisors is an integer number (2278091088).

Almost surely, 2^13668127887 is an apocalyptic number.

13668127887 is a deficient number, since it is larger than the sum of its proper divisors (4556600817).

13668127887 is an equidigital number, since it uses as much as digits as its factorization.

13668127887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139549.

The product of its digits is 5419008, while the sum is 57.

The spelling of 13668127887 in words is "thirteen billion, six hundred sixty-eight million, one hundred twenty-seven thousand, eight hundred eighty-seven".