28548208485 has 16 divisors (see below), whose sum is σ = 50752370880. Its totient is φ = 15225711120.

The previous prime is 28548208471. The next prime is 28548208487. The reversal of 28548208485 is 58480284582.

28548208485 is a `hidden beast` number, since 2 + 8 + 5 + 482 + 0 + 84 + 85 = 666.

It is not a de Polignac number, because 28548208485 - 2¹³ = 28548200293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28548208487) 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 15 ways as a sum of consecutive naturals, for example, 105733971 + ... + 105734240.

It is an arithmetic number, because the mean of its divisors is an integer number (3172023180).

Almost surely, 2^28548208485 is an apocalyptic number.

It is an amenable number.

28548208485 is a deficient number, since it is larger than the sum of its proper divisors (22204162395).

28548208485 is a wasteful number, since it uses less digits than its factorization.

28548208485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211468225 (or 211468219 counting only the distinct ones).

The product of its (nonzero) digits is 6553600, while the sum is 54.

The spelling of 28548208485 in words is "twenty-eight billion, five hundred forty-eight million, two hundred eight thousand, four hundred eighty-five".