799842999911 has 4 divisors (see below), whose sum is σ = 808830000000. Its totient is φ = 790855999824.

The previous prime is 799842999889. The next prime is 799842999913. The reversal of 799842999911 is 119999248997.

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

It is a cyclic number.

It is not a de Polignac number, because 799842999911 - 2¹⁰ = 799842998887 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 (799842999913) 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, 4493499911 + ... + 4493500088.

It is an arithmetic number, because the mean of its divisors is an integer number (202207500000).

Almost surely, 2^799842999911 is an apocalyptic number.

799842999911 is a deficient number, since it is larger than the sum of its proper divisors (8987000089).

799842999911 is an equidigital number, since it uses as much as digits as its factorization.

799842999911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987000088.

The product of its digits is 238085568, while the sum is 77.

The spelling of 799842999911 in words is "seven hundred ninety-nine billion, eight hundred forty-two million, nine hundred ninety-nine thousand, nine hundred eleven".