799769111 has 2 divisors, whose sum is σ = 799769112. Its totient is φ = 799769110.

The previous prime is 799769107. The next prime is 799769161. The reversal of 799769111 is 111967997.

It is an a-pointer prime, because the next prime (799769161) can be obtained adding 799769111 to its sum of digits (50).

It is a weak prime.

It is an emirp because it is prime and its reverse (111967997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799769111 - 2² = 799769107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 799769111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799769101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399884555 + 399884556.

It is an arithmetic number, because the mean of its divisors is an integer number (399884556).

Almost surely, 2^799769111 is an apocalyptic number.

799769111 is a deficient number, since it is larger than the sum of its proper divisors (1).

799769111 is an equidigital number, since it uses as much as digits as its factorization.

799769111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 50.

The square root of 799769111 is about 28280.1893734819. The cubic root of 799769111 is about 928.2284504791.

The spelling of 799769111 in words is "seven hundred ninety-nine million, seven hundred sixty-nine thousand, one hundred eleven".