799673891173 has 4 divisors (see below), whose sum is σ = 834442321248. Its totient is φ = 764905461100.

The previous prime is 799673891171. The next prime is 799673891239. The reversal of 799673891173 is 371198376997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 799673891173 - 2¹ = 799673891171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799673891171) 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 3 ways as a sum of consecutive naturals, for example, 17384215003 + ... + 17384215048.

It is an arithmetic number, because the mean of its divisors is an integer number (208610580312).

Almost surely, 2^799673891173 is an apocalyptic number.

It is an amenable number.

799673891173 is a deficient number, since it is larger than the sum of its proper divisors (34768430075).

799673891173 is a wasteful number, since it uses less digits than its factorization.

799673891173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34768430074.

The product of its digits is 108020304, while the sum is 70.

The spelling of 799673891173 in words is "seven hundred ninety-nine billion, six hundred seventy-three million, eight hundred ninety-one thousand, one hundred seventy-three".