798258089 has 4 divisors (see below), whose sum is σ = 825784260. Its totient is φ = 770731920.

The previous prime is 798258073. The next prime is 798258133. The reversal of 798258089 is 980852897.

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 680166400 + 118091689 = 26080^2 + 10867^2 .

It is a cyclic number.

It is not a de Polignac number, because 798258089 - 2⁴ = 798258073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798258059) 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, 13763042 + ... + 13763099.

It is an arithmetic number, because the mean of its divisors is an integer number (206446065).

Almost surely, 2^798258089 is an apocalyptic number.

It is an amenable number.

798258089 is a deficient number, since it is larger than the sum of its proper divisors (27526171).

798258089 is a wasteful number, since it uses less digits than its factorization.

798258089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27526170.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The square root of 798258089 is about 28253.4615401370. The cubic root of 798258089 is about 927.6435075568.

The spelling of 798258089 in words is "seven hundred ninety-eight million, two hundred fifty-eight thousand, eighty-nine".