798391171 has 2 divisors, whose sum is σ = 798391172. Its totient is φ = 798391170.

The previous prime is 798391169. The next prime is 798391177. The reversal of 798391171 is 171193897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798391171 - 2¹ = 798391169 is a prime.

Together with 798391169, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (798391177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399195585 + 399195586.

It is an arithmetic number, because the mean of its divisors is an integer number (399195586).

Almost surely, 2^798391171 is an apocalyptic number.

798391171 is a deficient number, since it is larger than the sum of its proper divisors (1).

798391171 is an equidigital number, since it uses as much as digits as its factorization.

798391171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 46.

The square root of 798391171 is about 28255.8165870321. The cubic root of 798391171 is about 927.6950555441.

The spelling of 798391171 in words is "seven hundred ninety-eight million, three hundred ninety-one thousand, one hundred seventy-one".