868173846576 has 80 divisors (see below), whose sum is σ = 2278843787520. Its totient is φ = 284754238720.

The previous prime is 868173846503. The next prime is 868173846599. The reversal of 868173846576 is 675648371868.

It is a super-4 number, since 4×868173846576⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 868173846576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1484431 + ... + 1984913.

It is an arithmetic number, because the mean of its divisors is an integer number (28485547344).

Almost surely, 2^868173846576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868173846576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139421893760).

868173846576 is an abundant number, since it is smaller than the sum of its proper divisors (1410669940944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868173846576 is a wasteful number, since it uses less digits than its factorization.

868173846576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501074 (or 501068 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 69.

It can be divided in two parts, 86817 and 3846576, that added together give a palindrome (3933393).

The spelling of 868173846576 in words is "eight hundred sixty-eight billion, one hundred seventy-three million, eight hundred forty-six thousand, five hundred seventy-six".