28321120147 has 8 divisors (see below), whose sum is σ = 28434229200. Its totient is φ = 28208089824.

The previous prime is 28321120129. The next prime is 28321120153. The reversal of 28321120147 is 74102112382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28321120147 - 2³¹ = 26173636499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28321123147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762729 + ... + 798997.

It is an arithmetic number, because the mean of its divisors is an integer number (3554278650).

Almost surely, 2^28321120147 is an apocalyptic number.

28321120147 is a deficient number, since it is larger than the sum of its proper divisors (113109053).

28321120147 is a wasteful number, since it uses less digits than its factorization.

28321120147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39365.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 28321120147 in words is "twenty-eight billion, three hundred twenty-one million, one hundred twenty thousand, one hundred forty-seven".