7995865 has 16 divisors (see below), whose sum is σ = 10696320. Its totient is φ = 5702400.

The previous prime is 7995863. The next prime is 7995877. The reversal of 7995865 is 5685997.

It is not a de Polignac number, because 7995865 - 2¹ = 7995863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7995863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (668520).

Almost surely, 2^7995865 is an apocalyptic number.

It is an amenable number.

7995865 is a deficient number, since it is larger than the sum of its proper divisors (2700455).

7995865 is a wasteful number, since it uses less digits than its factorization.

7995865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its digits is 680400, while the sum is 49.

The square root of 7995865 is about 2827.6960586315. The cubic root of 7995865 is about 199.9655357281.

The spelling of 7995865 in words is "seven million, nine hundred ninety-five thousand, eight hundred sixty-five".