14778068355 has 32 divisors (see below), whose sum is σ = 26277419520. Its totient is φ = 7880047200.

The previous prime is 14778068323. The next prime is 14778068359. The reversal of 14778068355 is 55386087741.

It is a happy number.

14778068355 is a `hidden beast` number, since 1 + 477 + 80 + 68 + 35 + 5 = 666.

It is not a de Polignac number, because 14778068355 - 2⁵ = 14778068323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14778068359) 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 in 31 ways as a sum of consecutive naturals, for example, 1008330 + ... + 1022880.

It is an arithmetic number, because the mean of its divisors is an integer number (821169360).

Almost surely, 2^14778068355 is an apocalyptic number.

14778068355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14778068355 is a deficient number, since it is larger than the sum of its proper divisors (11499351165).

14778068355 is a wasteful number, since it uses less digits than its factorization.

14778068355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22088 (or 22082 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 14778068355 in words is "fourteen billion, seven hundred seventy-eight million, sixty-eight thousand, three hundred fifty-five".