28587095 has 4 divisors (see below), whose sum is σ = 34304520. Its totient is φ = 22869672.

The previous prime is 28587073. The next prime is 28587107. The reversal of 28587095 is 59078582.

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 28587095 - 2¹² = 28582999 is a prime.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2858705 + ... + 2858714.

It is an arithmetic number, because the mean of its divisors is an integer number (8576130).

Almost surely, 2^28587095 is an apocalyptic number.

28587095 is a deficient number, since it is larger than the sum of its proper divisors (5717425).

28587095 is an equidigital number, since it uses as much as digits as its factorization.

28587095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717424.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 28587095 is about 5346.6900976211. The cubic root of 28587095 is about 305.7665747980.

The spelling of 28587095 in words is "twenty-eight million, five hundred eighty-seven thousand, ninety-five".