14278534785 has 12 divisors (see below), whose sum is σ = 24749460372. Its totient is φ = 7615218528.

The previous prime is 14278534763. The next prime is 14278534817. The reversal of 14278534785 is 58743587241.

14278534785 is a `hidden beast` number, since 1 + 4 + 27 + 8 + 534 + 7 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2476754289 + 11801780496 = 49767^2 + 108636^2 .

It is not a de Polignac number, because 14278534785 - 2⁹ = 14278534273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158650342 + ... + 158650431.

It is an arithmetic number, because the mean of its divisors is an integer number (2062455031).

Almost surely, 2^14278534785 is an apocalyptic number.

14278534785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14278534785 is a deficient number, since it is larger than the sum of its proper divisors (10470925587).

14278534785 is a wasteful number, since it uses less digits than its factorization.

14278534785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317300784 (or 317300781 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 14278534785 in words is "fourteen billion, two hundred seventy-eight million, five hundred thirty-four thousand, seven hundred eighty-five".