14887287447 has 24 divisors (see below), whose sum is σ = 21274120944. Its totient is φ = 9228282624.

The previous prime is 14887287433. The next prime is 14887287497. The reversal of 14887287447 is 74478278841.

It is a happy number.

It is not a de Polignac number, because 14887287447 - 2⁷ = 14887287319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14887287427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330153 + ... + 372525.

It is an arithmetic number, because the mean of its divisors is an integer number (886421706).

Almost surely, 2^14887287447 is an apocalyptic number.

14887287447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14887287447 is a deficient number, since it is larger than the sum of its proper divisors (6386833497).

14887287447 is an equidigital number, since it uses as much as digits as its factorization.

14887287447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42559 (or 42476 counting only the distinct ones).

The product of its digits is 22478848, while the sum is 60.

The spelling of 14887287447 in words is "fourteen billion, eight hundred eighty-seven million, two hundred eighty-seven thousand, four hundred forty-seven".