14728078487 has 4 divisors (see below), whose sum is σ = 14728507200. Its totient is φ = 14727649776.

The previous prime is 14728078471. The next prime is 14728078501. The reversal of 14728078487 is 78487082741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14728078487 - 2⁴ = 14728078471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14728078457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157862 + ... + 233187.

It is an arithmetic number, because the mean of its divisors is an integer number (3682126800).

Almost surely, 2^14728078487 is an apocalyptic number.

14728078487 is a deficient number, since it is larger than the sum of its proper divisors (428713).

14728078487 is an equidigital number, since it uses as much as digits as its factorization.

14728078487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428712.

The product of its (nonzero) digits is 5619712, while the sum is 56.

The spelling of 14728078487 in words is "fourteen billion, seven hundred twenty-eight million, seventy-eight thousand, four hundred eighty-seven".