850317507000 has 1536 divisors, whose sum is σ = 3495350476800. Its totient is φ = 191476224000.

The previous prime is 850317506989. The next prime is 850317507001. The reversal of 850317507000 is 705713058.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850317507001) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1860650772 + ... + 1860651228.

It is an arithmetic number, because the mean of its divisors is an integer number (2275618800).

Almost surely, 2^850317507000 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 850317507000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747675238400).

850317507000 is an abundant number, since it is smaller than the sum of its proper divisors (2645032969800).

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

850317507000 is a wasteful number, since it uses less digits than its factorization.

850317507000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 850317507000 in words is "eight hundred fifty billion, three hundred seventeen million, five hundred seven thousand".