14287640779 has 16 divisors (see below), whose sum is σ = 15234785280. Its totient is φ = 13367993760.

The previous prime is 14287640753. The next prime is 14287640789. The reversal of 14287640779 is 97704678241.

It is a happy number.

14287640779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14287640779 - 2²⁷ = 14153423051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14287640789) 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 15 ways as a sum of consecutive naturals, for example, 2936809 + ... + 2941669.

It is an arithmetic number, because the mean of its divisors is an integer number (952174080).

Almost surely, 2^14287640779 is an apocalyptic number.

14287640779 is a deficient number, since it is larger than the sum of its proper divisors (947144501).

14287640779 is a wasteful number, since it uses less digits than its factorization.

14287640779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 14287640779 in words is "fourteen billion, two hundred eighty-seven million, six hundred forty thousand, seven hundred seventy-nine".