717996883994 has 16 divisors (see below), whose sum is σ = 1162519755432. Its totient is φ = 330617852928.

The previous prime is 717996883973. The next prime is 717996884027. The reversal of 717996883994 is 499388699717.

It can be written as a sum of positive squares in 4 ways, for example, as 277346529769 + 440650354225 = 526637^2 + 663815^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31877039 + ... + 31899554.

Almost surely, 2^717996883994 is an apocalyptic number.

717996883994 is a deficient number, since it is larger than the sum of its proper divisors (444522871438).

717996883994 is a wasteful number, since it uses less digits than its factorization.

717996883994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63777041.

The product of its digits is 1481421312, while the sum is 80.

The spelling of 717996883994 in words is "seven hundred seventeen billion, nine hundred ninety-six million, eight hundred eighty-three thousand, nine hundred ninety-four".