13894926887 has 2 divisors, whose sum is σ = 13894926888. Its totient is φ = 13894926886.

The previous prime is 13894926853. The next prime is 13894926889. The reversal of 13894926887 is 78862949831.

It is a happy number.

13894926887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78862949831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13894926887 - 2⁶ = 13894926823 is a prime.

Together with 13894926889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13894926889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6947463443 + 6947463444.

It is an arithmetic number, because the mean of its divisors is an integer number (6947463444).

Almost surely, 2^13894926887 is an apocalyptic number.

13894926887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13894926887 is an equidigital number, since it uses as much as digits as its factorization.

13894926887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41803776, while the sum is 65.

The spelling of 13894926887 in words is "thirteen billion, eight hundred ninety-four million, nine hundred twenty-six thousand, eight hundred eighty-seven".