8398484797 has 2 divisors, whose sum is σ = 8398484798. Its totient is φ = 8398484796.

The previous prime is 8398484779. The next prime is 8398484851. The reversal of 8398484797 is 7974848938.

Together with previous prime (8398484779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8139467961 + 259016836 = 90219^2 + 16094^2 .

It is a cyclic number.

It is not a de Polignac number, because 8398484797 - 2⁷ = 8398484669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8398484737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199242398 + 4199242399.

It is an arithmetic number, because the mean of its divisors is an integer number (4199242399).

Almost surely, 2^8398484797 is an apocalyptic number.

It is an amenable number.

8398484797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398484797 is an equidigital number, since it uses as much as digits as its factorization.

8398484797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 67.

The square root of 8398484797 is about 91643.2474162718. The cubic root of 8398484797 is about 2032.6704803427.

The spelling of 8398484797 in words is "eight billion, three hundred ninety-eight million, four hundred eighty-four thousand, seven hundred ninety-seven".