799894383498997 has 4 divisors (see below), whose sum is σ = 799894792739340. Its totient is φ = 799893974258656.

The previous prime is 799894383498979. The next prime is 799894383499009.

799894383498997 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325959698357316 + 473934685141681 = 18054354^2 + 21770041^2 .

It is a cyclic number.

It is not a de Polignac number, because 799894383498997 - 2⁴³ = 791098290476789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799894383498997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799894383498797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201674158 + ... + 205602175.

It is an arithmetic number, because the mean of its divisors is an integer number (199973698184835).

Almost surely, 2^{799894383498997} is an apocalyptic number.

It is an amenable number.

799894383498997 is a deficient number, since it is larger than the sum of its proper divisors (409240343).

799894383498997 is a wasteful number, since it uses less digits than its factorization.

799894383498997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409240342.

The product of its digits is 1919922020352, while the sum is 106.

The spelling of 799894383498997 in words is "seven hundred ninety-nine trillion, eight hundred ninety-four billion, three hundred eighty-three million, four hundred ninety-eight thousand, nine hundred ninety-seven".