717669899716 has 81 divisors (see below), whose sum is σ = 1606152514701. Its totient is φ = 279560820000.

The previous prime is 717669899621. The next prime is 717669899731. The reversal of 717669899716 is 617998966717.

The square root of 717669899716 is 847154.

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

717669899716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 704683018116 + 12986881600 = 839454^2 + 113960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 130458966 + ... + 130464466.

Almost surely, 2^717669899716 is an apocalyptic number.

717669899716 is the 847154-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717669899716

717669899716 is an abundant number, since it is smaller than the sum of its proper divisors (888482614985).

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

717669899716 is an equidigital number, since it uses as much as digits as its factorization.

717669899716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042 (or 5521 counting only the distinct ones).

The product of its digits is 432081216, while the sum is 76.

The spelling of 717669899716 in words is "seven hundred seventeen billion, six hundred sixty-nine million, eight hundred ninety-nine thousand, seven hundred sixteen".