68288407142387 has 2 divisors, whose sum is σ = 68288407142388. Its totient is φ = 68288407142386.

The previous prime is 68288407142359. The next prime is 68288407142453. The reversal of 68288407142387 is 78324170488286.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68288407142387 - 2³⁶ = 68219687665651 is a prime.

It is not a weakly prime, because it can be changed into another prime (68288407144387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34144203571193 + 34144203571194.

It is an arithmetic number, because the mean of its divisors is an integer number (34144203571194).

Almost surely, 2^{68288407142387} is an apocalyptic number.

68288407142387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68288407142387 is an equidigital number, since it uses as much as digits as its factorization.

68288407142387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231211008, while the sum is 68.

The spelling of 68288407142387 in words is "sixty-eight trillion, two hundred eighty-eight billion, four hundred seven million, one hundred forty-two thousand, three hundred eighty-seven".