865327364 has 12 divisors (see below), whose sum is σ = 1651988688. Its totient is φ = 393330600.

The previous prime is 865327363. The next prime is 865327381. The reversal of 865327364 is 463723568.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 19666531 = 865327364 / (8 + 6 + 5 + 3 + 2 + 7 + 3 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (865327361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833222 + ... + 9833309.

It is an arithmetic number, because the mean of its divisors is an integer number (137665724).

Almost surely, 2^865327364 is an apocalyptic number.

It is an amenable number.

865327364 is a deficient number, since it is larger than the sum of its proper divisors (786661324).

865327364 is a wasteful number, since it uses less digits than its factorization.

865327364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666546 (or 19666544 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 865327364 is about 29416.4471682085. The cubic root of 865327364 is about 952.9281267606.

The spelling of 865327364 in words is "eight hundred sixty-five million, three hundred twenty-seven thousand, three hundred sixty-four".