865582804334 has 16 divisors (see below), whose sum is σ = 1311345882000. Its totient is φ = 428486433984.

The previous prime is 865582804327. The next prime is 865582804381. The reversal of 865582804334 is 433408285568.

It is a self number, because there is not a number n which added to its sum of digits gives 865582804334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639199 + ... + 4822170.

It is an arithmetic number, because the mean of its divisors is an integer number (81959117625).

Almost surely, 2^865582804334 is an apocalyptic number.

865582804334 is a deficient number, since it is larger than the sum of its proper divisors (445763077666).

865582804334 is a wasteful number, since it uses less digits than its factorization.

865582804334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461827.

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 865582804334 in words is "eight hundred sixty-five billion, five hundred eighty-two million, eight hundred four thousand, three hundred thirty-four".