798154361 has 2 divisors, whose sum is σ = 798154362. Its totient is φ = 798154360.

The previous prime is 798154351. The next prime is 798154457. The reversal of 798154361 is 163451897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559606336 + 238548025 = 23656^2 + 15445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798154361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (798154321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399077180 + 399077181.

It is an arithmetic number, because the mean of its divisors is an integer number (399077181).

Almost surely, 2^798154361 is an apocalyptic number.

It is an amenable number.

798154361 is a deficient number, since it is larger than the sum of its proper divisors (1).

798154361 is an equidigital number, since it uses as much as digits as its factorization.

798154361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 798154361 is about 28251.6258116237. The cubic root of 798154361 is about 927.6033255759.

The spelling of 798154361 in words is "seven hundred ninety-eight million, one hundred fifty-four thousand, three hundred sixty-one".