85865321336 has 8 divisors (see below), whose sum is σ = 160997477520. Its totient is φ = 42932660664.

The previous prime is 85865321327. The next prime is 85865321401. The reversal of 85865321336 is 63312356858.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5366582576 + ... + 5366582591.

It is an arithmetic number, because the mean of its divisors is an integer number (20124684690).

Almost surely, 2^85865321336 is an apocalyptic number.

It is an amenable number.

85865321336 is a deficient number, since it is larger than the sum of its proper divisors (75132156184).

85865321336 is a wasteful number, since it uses less digits than its factorization.

85865321336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733165173 (or 10733165169 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 85865321336 in words is "eighty-five billion, eight hundred sixty-five million, three hundred twenty-one thousand, three hundred thirty-six".