798829709 has 4 divisors (see below), whose sum is σ = 811925340. Its totient is φ = 785734080.

The previous prime is 798829699. The next prime is 798829769. The reversal of 798829709 is 907928897.

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 169572484 + 629257225 = 13022^2 + 25085^2 .

It is a cyclic number.

It is not a de Polignac number, because 798829709 - 2⁴ = 798829693 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 (798829769) 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 in 3 ways as a sum of consecutive naturals, for example, 6547724 + ... + 6547845.

It is an arithmetic number, because the mean of its divisors is an integer number (202981335).

Almost surely, 2^798829709 is an apocalyptic number.

It is an amenable number.

798829709 is a deficient number, since it is larger than the sum of its proper divisors (13095631).

798829709 is a wasteful number, since it uses less digits than its factorization.

798829709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095630.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The square root of 798829709 is about 28263.5756584336. The cubic root of 798829709 is about 927.8648783429.

The spelling of 798829709 in words is "seven hundred ninety-eight million, eight hundred twenty-nine thousand, seven hundred nine".