864706316250 has 320 divisors, whose sum is σ = 2618701747200. Its totient is φ = 185882688000.

The previous prime is 864706316233. The next prime is 864706316273. The reversal of 864706316250 is 52613607468.

It is a self number, because there is not a number n which added to its sum of digits gives 864706316250.

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 159 ways as a sum of consecutive naturals, for example, 69320014 + ... + 69332486.

It is an arithmetic number, because the mean of its divisors is an integer number (8183442960).

Almost surely, 2^864706316250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864706316250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309350873600).

864706316250 is an abundant number, since it is smaller than the sum of its proper divisors (1753995430950).

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

864706316250 is a wasteful number, since it uses less digits than its factorization.

864706316250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12663 (or 12648 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 864706316250 in words is "eight hundred sixty-four billion, seven hundred six million, three hundred sixteen thousand, two hundred fifty".