8087865 has 16 divisors (see below), whose sum is σ = 13257216. Its totient is φ = 4208000.

The previous prime is 8087861. The next prime is 8087873. The reversal of 8087865 is 5687808.

It is a happy number.

8087865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8087865 - 2² = 8087861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8087861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5961 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (828576).

Almost surely, 2^8087865 is an apocalyptic number.

It is an amenable number.

8087865 is a deficient number, since it is larger than the sum of its proper divisors (5169351).

8087865 is a wasteful number, since it uses less digits than its factorization.

8087865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 8087865 is about 2843.9171928873. The cubic root of 8087865 is about 200.7295439259.

The spelling of 8087865 in words is "eight million, eighty-seven thousand, eight hundred sixty-five".