799134785 has 4 divisors (see below), whose sum is σ = 958961748. Its totient is φ = 639307824.

The previous prime is 799134781. The next prime is 799134797. The reversal of 799134785 is 587431997.

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

It can be written as a sum of positive squares in 2 ways, for example, as 548355889 + 250778896 = 23417^2 + 15836^2 .

It is a cyclic number.

It is not a de Polignac number, because 799134785 - 2² = 799134781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (799134781) 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, 79913474 + ... + 79913483.

It is an arithmetic number, because the mean of its divisors is an integer number (239740437).

Almost surely, 2^799134785 is an apocalyptic number.

It is an amenable number.

799134785 is a deficient number, since it is larger than the sum of its proper divisors (159826963).

799134785 is a wasteful number, since it uses less digits than its factorization.

799134785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159826962.

The product of its digits is 1905120, while the sum is 53.

The square root of 799134785 is about 28268.9721249288. The cubic root of 799134785 is about 927.9829816445.

The spelling of 799134785 in words is "seven hundred ninety-nine million, one hundred thirty-four thousand, seven hundred eighty-five".