799929785 has 8 divisors (see below), whose sum is σ = 960088200. Its totient is φ = 639828864.

The previous prime is 799929749. The next prime is 799929791. The reversal of 799929785 is 587929997.

It can be written as a sum of positive squares in 4 ways, for example, as 33304441 + 766625344 = 5771^2 + 27688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 799929785 - 2²⁸ = 531494329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27149 + ... + 48341.

It is an arithmetic number, because the mean of its divisors is an integer number (120011025).

Almost surely, 2^799929785 is an apocalyptic number.

It is an amenable number.

799929785 is a deficient number, since it is larger than the sum of its proper divisors (160158415).

799929785 is a wasteful number, since it uses less digits than its factorization.

799929785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28747.

The product of its digits is 25719120, while the sum is 65.

The square root of 799929785 is about 28283.0299826592. The cubic root of 799929785 is about 928.2906068313.

The spelling of 799929785 in words is "seven hundred ninety-nine million, nine hundred twenty-nine thousand, seven hundred eighty-five".