14281213887 has 12 divisors (see below), whose sum is σ = 20714734560. Its totient is φ = 9480971808.

The previous prime is 14281213883. The next prime is 14281213913. The reversal of 14281213887 is 78831218241.

14281213887 is a `hidden beast` number, since 1 + 428 + 1 + 213 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 14281213887 - 2² = 14281213883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14281213883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317518 + ... + 3321819.

It is an arithmetic number, because the mean of its divisors is an integer number (1726227880).

Almost surely, 2^14281213887 is an apocalyptic number.

14281213887 is a deficient number, since it is larger than the sum of its proper divisors (6433520673).

14281213887 is a wasteful number, since it uses less digits than its factorization.

14281213887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639582 (or 6639579 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The spelling of 14281213887 in words is "fourteen billion, two hundred eighty-one million, two hundred thirteen thousand, eight hundred eighty-seven".