28287353075 has 12 divisors (see below), whose sum is σ = 35259969408. Its totient is φ = 22511397600.

The previous prime is 28287353063. The next prime is 28287353077. The reversal of 28287353075 is 57035378282.

It is a happy number.

It is not a de Polignac number, because 28287353075 - 2²⁴ = 28270575859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28287353077) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2957252 + ... + 2966801.

It is an arithmetic number, because the mean of its divisors is an integer number (2938330784).

Almost surely, 2^28287353075 is an apocalyptic number.

28287353075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28287353075 is a deficient number, since it is larger than the sum of its proper divisors (6972616333).

28287353075 is a wasteful number, since it uses less digits than its factorization.

28287353075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924254 (or 5924249 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 28287353075 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred fifty-three thousand, seventy-five".