798080057 has 2 divisors, whose sum is σ = 798080058. Its totient is φ = 798080056.

The previous prime is 798080051. The next prime is 798080071. The reversal of 798080057 is 750080897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614097961 + 183982096 = 24781^2 + 13564^2 .

It is a cyclic number.

It is not a de Polignac number, because 798080057 - 2⁶ = 798079993 is a prime.

It is a super-2 number, since 2×798080057² = 1273863554762246498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (798080051) 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, 399040028 + 399040029.

It is an arithmetic number, because the mean of its divisors is an integer number (399040029).

Almost surely, 2^798080057 is an apocalyptic number.

It is an amenable number.

798080057 is a deficient number, since it is larger than the sum of its proper divisors (1).

798080057 is an equidigital number, since it uses as much as digits as its factorization.

798080057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 798080057 is about 28250.3107416538. The cubic root of 798080057 is about 927.5745396753.

The spelling of 798080057 in words is "seven hundred ninety-eight million, eighty thousand, fifty-seven".