28087153 has 4 divisors (see below), whose sum is σ = 28684800. Its totient is φ = 27489508.

The previous prime is 28087141. The next prime is 28087159. The reversal of 28087153 is 35178082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28087153 - 2⁵ = 28087121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28087159) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 298753 + ... + 298846.

It is an arithmetic number, because the mean of its divisors is an integer number (7171200).

Almost surely, 2^28087153 is an apocalyptic number.

It is an amenable number.

28087153 is a deficient number, since it is larger than the sum of its proper divisors (597647).

28087153 is an equidigital number, since it uses as much as digits as its factorization.

28087153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597646.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 28087153 is about 5299.7314082885. The cubic root of 28087153 is about 303.9736278196.

The spelling of 28087153 in words is "twenty-eight million, eighty-seven thousand, one hundred fifty-three".