28487795 has 16 divisors (see below), whose sum is σ = 39567360. Its totient is φ = 19285344.

The previous prime is 28487741. The next prime is 28487803. The reversal of 28487795 is 59778482.

It is a cyclic number.

It is not a de Polignac number, because 28487795 - 2¹⁰ = 28486771 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2387 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (2472960).

Almost surely, 2^28487795 is an apocalyptic number.

28487795 is a deficient number, since it is larger than the sum of its proper divisors (11079565).

28487795 is a wasteful number, since it uses less digits than its factorization.

28487795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394.

The product of its digits is 1128960, while the sum is 50.

The square root of 28487795 is about 5337.3959006242. The cubic root of 28487795 is about 305.4121276288.

The spelling of 28487795 in words is "twenty-eight million, four hundred eighty-seven thousand, seven hundred ninety-five".