28550306075 has 6 divisors (see below), whose sum is σ = 35402379564. Its totient is φ = 22840244840.

The previous prime is 28550306063. The next prime is 28550306119. The reversal of 28550306075 is 57060305582.

It is not a de Polignac number, because 28550306075 - 2¹⁶ = 28550240539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 571006097 + ... + 571006146.

It is an arithmetic number, because the mean of its divisors is an integer number (5900396594).

Almost surely, 2^28550306075 is an apocalyptic number.

28550306075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28550306075 is a deficient number, since it is larger than the sum of its proper divisors (6852073489).

28550306075 is a wasteful number, since it uses less digits than its factorization.

28550306075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142012253 (or 1142012248 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 28550306075 in words is "twenty-eight billion, five hundred fifty million, three hundred six thousand, seventy-five".