799972823933 has 4 divisors (see below), whose sum is σ = 800333012028. Its totient is φ = 799612635840.

The previous prime is 799972823927. The next prime is 799972823971. The reversal of 799972823933 is 339328279997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339328279997 = 7 ⋅48475468571.

It can be written as a sum of positive squares in 2 ways, for example, as 554158158724 + 245814665209 = 744418^2 + 495797^2 .

It is a cyclic number.

It is not a de Polignac number, because 799972823933 - 2⁴ = 799972823917 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 (799972823833) 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, 180090716 + ... + 180095157.

It is an arithmetic number, because the mean of its divisors is an integer number (200083253007).

Almost surely, 2^799972823933 is an apocalyptic number.

It is an amenable number.

799972823933 is a deficient number, since it is larger than the sum of its proper divisors (360188095).

799972823933 is a wasteful number, since it uses less digits than its factorization.

799972823933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360188094.

The product of its digits is 277766496, while the sum is 71.

The spelling of 799972823933 in words is "seven hundred ninety-nine billion, nine hundred seventy-two million, eight hundred twenty-three thousand, nine hundred thirty-three".