28035087 has 4 divisors (see below), whose sum is σ = 37380120. Its totient is φ = 18690056.

The previous prime is 28035079. The next prime is 28035107. The reversal of 28035087 is 78053082.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28035087 - 2³ = 28035079 is a prime.

It is a super-2 number, since 2×28035087² = 1571932206195138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28035047) 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, 4672512 + ... + 4672517.

It is an arithmetic number, because the mean of its divisors is an integer number (9345030).

Almost surely, 2^28035087 is an apocalyptic number.

28035087 is a deficient number, since it is larger than the sum of its proper divisors (9345033).

28035087 is an equidigital number, since it uses as much as digits as its factorization.

28035087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345032.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28035087 is about 5294.8169940046. The cubic root of 28035087 is about 303.7856832878.

The spelling of 28035087 in words is "twenty-eight million, thirty-five thousand, eighty-seven".