868210355712 has 480 divisors, whose sum is σ = 2822019156000. Its totient is φ = 236182044672.

The previous prime is 868210355687. The next prime is 868210355723. The reversal of 868210355712 is 217553012868.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159331164 + ... + 159336612.

It is an arithmetic number, because the mean of its divisors is an integer number (5879206575).

Almost surely, 2^868210355712 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 868210355712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411009578000).

868210355712 is an abundant number, since it is smaller than the sum of its proper divisors (1953808800288).

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

868210355712 is a wasteful number, since it uses less digits than its factorization.

868210355712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 868210355712 in words is "eight hundred sixty-eight billion, two hundred ten million, three hundred fifty-five thousand, seven hundred twelve".