13886997547 has 2 divisors, whose sum is σ = 13886997548. Its totient is φ = 13886997546.

The previous prime is 13886997529. The next prime is 13886997559. The reversal of 13886997547 is 74579968831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13886997547 - 2¹⁹ = 13886473259 is a prime.

It is not a weakly prime, because it can be changed into another prime (13886997347) 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 as a sum of consecutive naturals, namely, 6943498773 + 6943498774.

It is an arithmetic number, because the mean of its divisors is an integer number (6943498774).

Almost surely, 2^13886997547 is an apocalyptic number.

13886997547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13886997547 is an equidigital number, since it uses as much as digits as its factorization.

13886997547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 67.

The spelling of 13886997547 in words is "thirteen billion, eight hundred eighty-six million, nine hundred ninety-seven thousand, five hundred forty-seven".