28522750481 has 8 divisors (see below), whose sum is σ = 29221129728. Its totient is φ = 27824500000.

The previous prime is 28522750463. The next prime is 28522750489. The reversal of 28522750481 is 18405722582.

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 28522750481 - 2¹⁰ = 28522749457 is a prime.

It is a super-2 number, since 2×28522750481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28522750489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538496 + ... + 589086.

It is an arithmetic number, because the mean of its divisors is an integer number (3652641216).

Almost surely, 2^28522750481 is an apocalyptic number.

It is an amenable number.

28522750481 is a deficient number, since it is larger than the sum of its proper divisors (698379247).

28522750481 is a wasteful number, since it uses less digits than its factorization.

28522750481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64383.

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 28522750481 in words is "twenty-eight billion, five hundred twenty-two million, seven hundred fifty thousand, four hundred eighty-one".