68207605247 has 2 divisors, whose sum is σ = 68207605248. Its totient is φ = 68207605246.

The previous prime is 68207605237. The next prime is 68207605273. The reversal of 68207605247 is 74250670286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68207605247 - 2⁴ = 68207605231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68207605217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34103802623 + 34103802624.

It is an arithmetic number, because the mean of its divisors is an integer number (34103802624).

Almost surely, 2^68207605247 is an apocalyptic number.

68207605247 is a deficient number, since it is larger than the sum of its proper divisors (1).

68207605247 is an equidigital number, since it uses as much as digits as its factorization.

68207605247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 68207605247 in words is "sixty-eight billion, two hundred seven million, six hundred five thousand, two hundred forty-seven".