717839340516 has 27 divisors (see below), whose sum is σ = 1814551183081. Its totient is φ = 239278085664.

The previous prime is 717839340511. The next prime is 717839340523. The reversal of 717839340516 is 615043938717.

The square root of 717839340516 is 847254.

It is a perfect power (a square), and thus also a powerful number.

717839340516 is a `hidden beast` number, since 7 + 1 + 7 + 83 + 9 + 3 + 40 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 145577350116 + 572261990400 = 381546^2 + 756480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717839340511) 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 8 ways as a sum of consecutive naturals, for example, 5012920 + ... + 5154128.

Almost surely, 2^717839340516 is an apocalyptic number.

717839340516 is the 847254-th square number.

It is an amenable number.

717839340516 is an abundant number, since it is smaller than the sum of its proper divisors (1096711842565).

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

717839340516 is an frugal number, since it uses more digits than its factorization.

717839340516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282428 (or 141214 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 717839340516 in words is "seven hundred seventeen billion, eight hundred thirty-nine million, three hundred forty thousand, five hundred sixteen".