68296387 has 2 divisors, whose sum is σ = 68296388. Its totient is φ = 68296386.

The previous prime is 68296373. The next prime is 68296451. The reversal of 68296387 is 78369286.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68296387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68296387.

It is not a weakly prime, because it can be changed into another prime (68296337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34148193 + 34148194.

It is an arithmetic number, because the mean of its divisors is an integer number (34148194).

Almost surely, 2^68296387 is an apocalyptic number.

68296387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68296387 is an equidigital number, since it uses as much as digits as its factorization.

68296387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 68296387 is about 8264.1628130138. The cubic root of 68296387 is about 408.7576651606.

The spelling of 68296387 in words is "sixty-eight million, two hundred ninety-six thousand, three hundred eighty-seven".