68848447 has 2 divisors, whose sum is σ = 68848448. Its totient is φ = 68848446.

The previous prime is 68848441. The next prime is 68848513. The reversal of 68848447 is 74484886.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68848447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68848447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68848441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34424223 + 34424224.

It is an arithmetic number, because the mean of its divisors is an integer number (34424224).

Almost surely, 2^68848447 is an apocalyptic number.

68848447 is a deficient number, since it is larger than the sum of its proper divisors (1).

68848447 is an equidigital number, since it uses as much as digits as its factorization.

68848447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1376256, while the sum is 49.

The square root of 68848447 is about 8297.4964296467. The cubic root of 68848447 is about 409.8560807581.

The spelling of 68848447 in words is "sixty-eight million, eight hundred forty-eight thousand, four hundred forty-seven".