13768541887 has 4 divisors (see below), whose sum is σ = 13785191496. Its totient is φ = 13751892280.

The previous prime is 13768541879. The next prime is 13768541933. The reversal of 13768541887 is 78814586731.

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

It is a cyclic number.

It is not a de Polignac number, because 13768541887 - 2³ = 13768541879 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13768541867) 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, 8323564 + ... + 8325217.

It is an arithmetic number, because the mean of its divisors is an integer number (3446297874).

Almost surely, 2^13768541887 is an apocalyptic number.

13768541887 is a deficient number, since it is larger than the sum of its proper divisors (16649609).

13768541887 is an equidigital number, since it uses as much as digits as its factorization.

13768541887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649608.

The product of its digits is 9031680, while the sum is 58.

The spelling of 13768541887 in words is "thirteen billion, seven hundred sixty-eight million, five hundred forty-one thousand, eight hundred eighty-seven".