317889179712 has 168 divisors, whose sum is σ = 988427772696. Its totient is φ = 97097785344.

The previous prime is 317889179591. The next prime is 317889179723. The reversal of 317889179712 is 217971988713.

317889179712 is a `hidden beast` number, since 317 + 8 + 89 + 179 + 71 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5828406336 + 312060773376 = 76344^2 + 558624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 317889179712.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 870918 + ... + 1180794.

It is an arithmetic number, because the mean of its divisors is an integer number (5883498647).

Almost surely, 2^317889179712 is an apocalyptic number.

317889179712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317889179712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494213886348).

317889179712 is an abundant number, since it is smaller than the sum of its proper divisors (670538592984).

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

317889179712 is a wasteful number, since it uses less digits than its factorization.

317889179712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310045 (or 310032 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 63.

The spelling of 317889179712 in words is "three hundred seventeen billion, eight hundred eighty-nine million, one hundred seventy-nine thousand, seven hundred twelve".