14013312728778 has 48 divisors (see below), whose sum is σ = 33827106957696. Its totient is φ = 4156108221120.

The previous prime is 14013312728777. The next prime is 14013312728809. The reversal of 14013312728778 is 87782721331041.

It is a happy number.

14013312728778 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 331 + 27 + 287 + 7 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14013312728777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752908851 + ... + 752927462.

It is an arithmetic number, because the mean of its divisors is an integer number (704731394952).

Almost surely, 2^{14013312728778} is an apocalyptic number.

14013312728778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14013312728778 is an abundant number, since it is smaller than the sum of its proper divisors (19813794228918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14013312728778 is a wasteful number, since it uses less digits than its factorization.

14013312728778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505836379 (or 1505836376 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The spelling of 14013312728778 in words is "fourteen trillion, thirteen billion, three hundred twelve million, seven hundred twenty-eight thousand, seven hundred seventy-eight".