799785163 has 2 divisors, whose sum is σ = 799785164. Its totient is φ = 799785162.

The previous prime is 799785149. The next prime is 799785193. The reversal of 799785163 is 361587997.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799785163 is a prime.

It is not a weakly prime, because it can be changed into another prime (799785193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399892581 + 399892582.

It is an arithmetic number, because the mean of its divisors is an integer number (399892582).

Almost surely, 2^799785163 is an apocalyptic number.

799785163 is a deficient number, since it is larger than the sum of its proper divisors (1).

799785163 is an equidigital number, since it uses as much as digits as its factorization.

799785163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 55.

The square root of 799785163 is about 28280.4731749665. The cubic root of 799785163 is about 928.2346605311.

The spelling of 799785163 in words is "seven hundred ninety-nine million, seven hundred eighty-five thousand, one hundred sixty-three".