798852217 has 4 divisors (see below), whose sum is σ = 798920100. Its totient is φ = 798784336.

The previous prime is 798852209. The next prime is 798852221. The reversal of 798852217 is 712258897.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 365421456 + 433430761 = 19116^2 + 20819^2 .

It is a cyclic number.

It is not a de Polignac number, because 798852217 - 2³ = 798852209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798852247) 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, 11218 + ... + 41515.

It is an arithmetic number, because the mean of its divisors is an integer number (199730025).

Almost surely, 2^798852217 is an apocalyptic number.

It is an amenable number.

798852217 is a deficient number, since it is larger than the sum of its proper divisors (67883).

798852217 is a wasteful number, since it uses less digits than its factorization.

798852217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67882.

The product of its digits is 564480, while the sum is 49.

The square root of 798852217 is about 28263.9738359630. The cubic root of 798852217 is about 927.8735928354.

The spelling of 798852217 in words is "seven hundred ninety-eight million, eight hundred fifty-two thousand, two hundred seventeen".