13787628887 has 2 divisors, whose sum is σ = 13787628888. Its totient is φ = 13787628886.

The previous prime is 13787628853. The next prime is 13787628937. The reversal of 13787628887 is 78882678731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13787628887 - 2¹⁸ = 13787366743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13787628287) 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, 6893814443 + 6893814444.

It is an arithmetic number, because the mean of its divisors is an integer number (6893814444).

Almost surely, 2^13787628887 is an apocalyptic number.

13787628887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13787628887 is an equidigital number, since it uses as much as digits as its factorization.

13787628887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50577408, while the sum is 65.

The spelling of 13787628887 in words is "thirteen billion, seven hundred eighty-seven million, six hundred twenty-eight thousand, eight hundred eighty-seven".