798117841 has 2 divisors, whose sum is σ = 798117842. Its totient is φ = 798117840.

The previous prime is 798117829. The next prime is 798117863. The reversal of 798117841 is 148711897.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707772816 + 90345025 = 26604^2 + 9505^2 .

It is a cyclic number.

It is not a de Polignac number, because 798117841 - 2⁵ = 798117809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 798117791 and 798117800.

It is not a weakly prime, because it can be changed into another prime (798117941) 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, 399058920 + 399058921.

It is an arithmetic number, because the mean of its divisors is an integer number (399058921).

Almost surely, 2^798117841 is an apocalyptic number.

It is an amenable number.

798117841 is a deficient number, since it is larger than the sum of its proper divisors (1).

798117841 is an equidigital number, since it uses as much as digits as its factorization.

798117841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 46.

The square root of 798117841 is about 28250.9794697458. The cubic root of 798117841 is about 927.5891776902.

The spelling of 798117841 in words is "seven hundred ninety-eight million, one hundred seventeen thousand, eight hundred forty-one".