798051901 has 2 divisors, whose sum is σ = 798051902. Its totient is φ = 798051900.

The previous prime is 798051847. The next prime is 798051913. The reversal of 798051901 is 109150897.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774286276 + 23765625 = 27826^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 798051901 - 2⁷ = 798051773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798052901) 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, 399025950 + 399025951.

It is an arithmetic number, because the mean of its divisors is an integer number (399025951).

Almost surely, 2^798051901 is an apocalyptic number.

It is an amenable number.

798051901 is a deficient number, since it is larger than the sum of its proper divisors (1).

798051901 is an equidigital number, since it uses as much as digits as its factorization.

798051901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 798051901 is about 28249.8124064568. The cubic root of 798051901 is about 927.5636313728.

The spelling of 798051901 in words is "seven hundred ninety-eight million, fifty-one thousand, nine hundred one".