13677536387 has 2 divisors, whose sum is σ = 13677536388. Its totient is φ = 13677536386.

The previous prime is 13677536377. The next prime is 13677536417. The reversal of 13677536387 is 78363577631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13677536387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13677536377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838768193 + 6838768194.

It is an arithmetic number, because the mean of its divisors is an integer number (6838768194).

Almost surely, 2^13677536387 is an apocalyptic number.

13677536387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13677536387 is an equidigital number, since it uses as much as digits as its factorization.

13677536387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 56.

The spelling of 13677536387 in words is "thirteen billion, six hundred seventy-seven million, five hundred thirty-six thousand, three hundred eighty-seven".