798379189 has 2 divisors, whose sum is σ = 798379190. Its totient is φ = 798379188.

The previous prime is 798379187. The next prime is 798379213. The reversal of 798379189 is 981973897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797102289 + 1276900 = 28233^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 798379189 - 2¹ = 798379187 is a prime.

Together with 798379187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798379181) 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 as a sum of consecutive naturals, namely, 399189594 + 399189595.

It is an arithmetic number, because the mean of its divisors is an integer number (399189595).

Almost surely, 2^798379189 is an apocalyptic number.

It is an amenable number.

798379189 is a deficient number, since it is larger than the sum of its proper divisors (1).

798379189 is an equidigital number, since it uses as much as digits as its factorization.

798379189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 61.

The square root of 798379189 is about 28255.6045590959. The cubic root of 798379189 is about 927.6904146704.

The spelling of 798379189 in words is "seven hundred ninety-eight million, three hundred seventy-nine thousand, one hundred eighty-nine".