798565903 has 2 divisors, whose sum is σ = 798565904. Its totient is φ = 798565902.

The previous prime is 798565853. The next prime is 798565909. The reversal of 798565903 is 309565897.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798565903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798565909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399282951 + 399282952.

It is an arithmetic number, because the mean of its divisors is an integer number (399282952).

Almost surely, 2^798565903 is an apocalyptic number.

798565903 is a deficient number, since it is larger than the sum of its proper divisors (1).

798565903 is an equidigital number, since it uses as much as digits as its factorization.

798565903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 798565903 is about 28258.9083830215. The cubic root of 798565903 is about 927.7627275469.

The spelling of 798565903 in words is "seven hundred ninety-eight million, five hundred sixty-five thousand, nine hundred three".