147279789728 has 24 divisors (see below), whose sum is σ = 291035010420. Its totient is φ = 73366136320.

The previous prime is 147279789719. The next prime is 147279789733. The reversal of 147279789728 is 827987972741.

It can be written as a sum of positive squares in 2 ways, for example, as 106179525904 + 41100263824 = 325852^2 + 202732^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8546213 + ... + 8563428.

Almost surely, 2^147279789728 is an apocalyptic number.

It is an amenable number.

147279789728 is a deficient number, since it is larger than the sum of its proper divisors (143755220692).

147279789728 is a wasteful number, since it uses less digits than its factorization.

147279789728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109920 (or 17109912 counting only the distinct ones).

The product of its digits is 199148544, while the sum is 71.

The spelling of 147279789728 in words is "one hundred forty-seven billion, two hundred seventy-nine million, seven hundred eighty-nine thousand, seven hundred twenty-eight".