28587085 has 8 divisors (see below), whose sum is σ = 34788096. Its totient is φ = 22547280.

The previous prime is 28587073. The next prime is 28587107. The reversal of 28587085 is 58078582.

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

It is not a de Polignac number, because 28587085 - 2⁹ = 28586573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39909 + ... + 40618.

It is an arithmetic number, because the mean of its divisors is an integer number (4348512).

Almost surely, 2^28587085 is an apocalyptic number.

It is an amenable number.

28587085 is a deficient number, since it is larger than the sum of its proper divisors (6201011).

28587085 is an equidigital number, since it uses as much as digits as its factorization.

28587085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80603.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 28587085 is about 5346.6891624631. The cubic root of 28587085 is about 305.7665391448.

The spelling of 28587085 in words is "twenty-eight million, five hundred eighty-seven thousand, eighty-five".