14326886778 has 16 divisors (see below), whose sum is σ = 29578089216. Its totient is φ = 4621576320.

The previous prime is 14326886773. The next prime is 14326886797. The reversal of 14326886778 is 87768862341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14326886771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38512951 + ... + 38513322.

It is an arithmetic number, because the mean of its divisors is an integer number (1848630576).

Almost surely, 2^14326886778 is an apocalyptic number.

14326886778 is an abundant number, since it is smaller than the sum of its proper divisors (15251202438).

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

14326886778 is a wasteful number, since it uses less digits than its factorization.

14326886778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77026309.

The product of its digits is 21676032, while the sum is 60.

The spelling of 14326886778 in words is "fourteen billion, three hundred twenty-six million, eight hundred eighty-six thousand, seven hundred seventy-eight".