717983380896 has 96 divisors (see below), whose sum is σ = 1913216901120. Its totient is φ = 235734541056.

The previous prime is 717983380853. The next prime is 717983380897. The reversal of 717983380896 is 698083389717.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 717983380896.

It is not an unprimeable number, because it can be changed into a prime (717983380897) 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 15 ways as a sum of consecutive naturals, for example, 1482855 + ... + 1906521.

It is an arithmetic number, because the mean of its divisors is an integer number (19929342720).

Almost surely, 2^717983380896 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 717983380896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956608450560).

717983380896 is an abundant number, since it is smaller than the sum of its proper divisors (1195233520224).

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

717983380896 is a wasteful number, since it uses less digits than its factorization.

717983380896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423946 (or 423938 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 69.

The spelling of 717983380896 in words is "seven hundred seventeen billion, nine hundred eighty-three million, three hundred eighty thousand, eight hundred ninety-six".