798131143 has 2 divisors, whose sum is σ = 798131144. Its totient is φ = 798131142.

The previous prime is 798131141. The next prime is 798131167. The reversal of 798131143 is 341131897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798131143 - 2¹ = 798131141 is a prime.

Together with 798131141, 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 (798131141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399065571 + 399065572.

It is an arithmetic number, because the mean of its divisors is an integer number (399065572).

Almost surely, 2^798131143 is an apocalyptic number.

798131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

798131143 is an equidigital number, since it uses as much as digits as its factorization.

798131143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 798131143 is about 28251.2148942307. The cubic root of 798131143 is about 927.5943309487.

The spelling of 798131143 in words is "seven hundred ninety-eight million, one hundred thirty-one thousand, one hundred forty-three".