317785053045474 has 128 divisors (see below), whose sum is σ = 823684681728000. Its totient is φ = 90780222733200.

The previous prime is 317785053045437. The next prime is 317785053045479. The reversal of 317785053045474 is 474540350587713.

317785053045474 is a `hidden beast` number, since 3 + 1 + 7 + 7 + 8 + 50 + 5 + 30 + 4 + 547 + 4 = 666.

It is a super-2 number, since 2×317785053045474² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (317785053045479) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 107206399 + ... + 110130749.

It is an arithmetic number, because the mean of its divisors is an integer number (6435036576000).

Almost surely, 2^{317785053045474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317785053045474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411842340864000).

317785053045474 is an abundant number, since it is smaller than the sum of its proper divisors (505899628682526).

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

317785053045474 is a wasteful number, since it uses less digits than its factorization.

317785053045474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930250 (or 2930230 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 63.

The spelling of 317785053045474 in words is "three hundred seventeen trillion, seven hundred eighty-five billion, fifty-three million, forty-five thousand, four hundred seventy-four".