28063585 has 8 divisors (see below), whose sum is σ = 36737856. Its totient is φ = 20409840.

The previous prime is 28063579. The next prime is 28063591. The reversal of 28063585 is 58536082.

It is an interprime number because it is at equal distance from previous prime (28063579) and next prime (28063591).

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

It is not a de Polignac number, because 28063585 - 2⁷ = 28063457 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255069 + ... + 255178.

It is an arithmetic number, because the mean of its divisors is an integer number (4592232).

Almost surely, 2^28063585 is an apocalyptic number.

It is an amenable number.

28063585 is a deficient number, since it is larger than the sum of its proper divisors (8674271).

28063585 is a wasteful number, since it uses less digits than its factorization.

28063585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510263.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 28063585 is about 5297.5074327461. The cubic root of 28063585 is about 303.8885823519. Note that the first 3 decimals are identical.

The spelling of 28063585 in words is "twenty-eight million, sixty-three thousand, five hundred eighty-five".