799459165 has 4 divisors (see below), whose sum is σ = 959351004. Its totient is φ = 639567328.

The previous prime is 799459163. The next prime is 799459169. The reversal of 799459165 is 561954997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561954997 = 61 ⋅9212377.

It can be written as a sum of positive squares in 2 ways, for example, as 574369156 + 225090009 = 23966^2 + 15003^2 .

It is a cyclic number.

It is not a de Polignac number, because 799459165 - 2¹ = 799459163 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 (799459163) 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, 79945912 + ... + 79945921.

It is an arithmetic number, because the mean of its divisors is an integer number (239837751).

Almost surely, 2^799459165 is an apocalyptic number.

It is an amenable number.

799459165 is a deficient number, since it is larger than the sum of its proper divisors (159891839).

799459165 is a wasteful number, since it uses less digits than its factorization.

799459165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159891838.

The product of its digits is 3061800, while the sum is 55.

The square root of 799459165 is about 28274.7089286521. The cubic root of 799459165 is about 928.1085250886.

The spelling of 799459165 in words is "seven hundred ninety-nine million, four hundred fifty-nine thousand, one hundred sixty-five".