14781878640914 has 64 divisors (see below), whose sum is σ = 28068172019712. Its totient is φ = 5670881884800.

The previous prime is 14781878640913. The next prime is 14781878640929. The reversal of 14781878640914 is 41904687818741.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14781878640913) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24892787 + ... + 25479689.

It is an arithmetic number, because the mean of its divisors is an integer number (438565187808).

Almost surely, 2^{14781878640914} is an apocalyptic number.

14781878640914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14781878640914 is a deficient number, since it is larger than the sum of its proper divisors (13286293378798).

14781878640914 is a wasteful number, since it uses less digits than its factorization.

14781878640914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589431.

The product of its (nonzero) digits is 86704128, while the sum is 68.

The spelling of 14781878640914 in words is "fourteen trillion, seven hundred eighty-one billion, eight hundred seventy-eight million, six hundred forty thousand, nine hundred fourteen".