798818213 has 2 divisors, whose sum is σ = 798818214. Its totient is φ = 798818212.

The previous prime is 798818203. The next prime is 798818233. The reversal of 798818213 is 312818897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552391009 + 246427204 = 23503^2 + 15698^2 .

It is a cyclic number.

It is not a de Polignac number, because 798818213 - 2¹⁸ = 798556069 is a prime.

It is a super-2 number, since 2×798818213² = 1276221074841026738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798818203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399409106 + 399409107.

It is an arithmetic number, because the mean of its divisors is an integer number (399409107).

Almost surely, 2^798818213 is an apocalyptic number.

It is an amenable number.

798818213 is a deficient number, since it is larger than the sum of its proper divisors (1).

798818213 is an equidigital number, since it uses as much as digits as its factorization.

798818213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 47.

The square root of 798818213 is about 28263.3722864063. The cubic root of 798818213 is about 927.8604273376.

The spelling of 798818213 in words is "seven hundred ninety-eight million, eight hundred eighteen thousand, two hundred thirteen".