68302464847 has 2 divisors, whose sum is σ = 68302464848. Its totient is φ = 68302464846.

The previous prime is 68302464779. The next prime is 68302464859. The reversal of 68302464847 is 74846420386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68302464847 - 2¹⁹ = 68301940559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68302464794 and 68302464803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68302464047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34151232423 + 34151232424.

It is an arithmetic number, because the mean of its divisors is an integer number (34151232424).

Almost surely, 2^68302464847 is an apocalyptic number.

68302464847 is a deficient number, since it is larger than the sum of its proper divisors (1).

68302464847 is an equidigital number, since it uses as much as digits as its factorization.

68302464847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 68302464847 in words is "sixty-eight billion, three hundred two million, four hundred sixty-four thousand, eight hundred forty-seven".