68817445127 has 2 divisors, whose sum is σ = 68817445128. Its totient is φ = 68817445126.

The previous prime is 68817445117. The next prime is 68817445129. The reversal of 68817445127 is 72154471886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68817445127 - 2¹⁰ = 68817444103 is a prime.

It is a super-2 number, since 2×68817445127² (a number of 22 digits) contains 22 as substring.

Together with 68817445129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68817445129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34408722563 + 34408722564.

It is an arithmetic number, because the mean of its divisors is an integer number (34408722564).

Almost surely, 2^68817445127 is an apocalyptic number.

68817445127 is a deficient number, since it is larger than the sum of its proper divisors (1).

68817445127 is an equidigital number, since it uses as much as digits as its factorization.

68817445127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 53.

The spelling of 68817445127 in words is "sixty-eight billion, eight hundred seventeen million, four hundred forty-five thousand, one hundred twenty-seven".