317851900270872 has 768 divisors, whose sum is σ = 971360899891200. Its totient is φ = 85688365593600.

The previous prime is 317851900270871. The next prime is 317851900270951. The reversal of 317851900270872 is 278072009158713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317851900270871) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37736182453 + ... + 37736190875.

It is an arithmetic number, because the mean of its divisors is an integer number (1264792838400).

Almost surely, 2^{317851900270872} 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 317851900270872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485680449945600).

317851900270872 is an abundant number, since it is smaller than the sum of its proper divisors (653508999620328).

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

317851900270872 is a wasteful number, since it uses less digits than its factorization.

317851900270872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8780 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 60.

The spelling of 317851900270872 in words is "three hundred seventeen trillion, eight hundred fifty-one billion, nine hundred million, two hundred seventy thousand, eight hundred seventy-two".