14217253778 has 24 divisors (see below), whose sum is σ = 26391457728. Its totient is φ = 5624407152.

The previous prime is 14217253727. The next prime is 14217253793. The reversal of 14217253778 is 87735271241.

14217253778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 3002126 + ... + 3006857.

It is an arithmetic number, because the mean of its divisors is an integer number (1099644072).

Almost surely, 2^14217253778 is an apocalyptic number.

14217253778 is a deficient number, since it is larger than the sum of its proper divisors (12174203950).

14217253778 is a wasteful number, since it uses less digits than its factorization.

14217253778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009018 (or 6009005 counting only the distinct ones).

The product of its digits is 658560, while the sum is 47.

The spelling of 14217253778 in words is "fourteen billion, two hundred seventeen million, two hundred fifty-three thousand, seven hundred seventy-eight".