34478127617 has 2 divisors, whose sum is σ = 34478127618. Its totient is φ = 34478127616.

The previous prime is 34478127611. The next prime is 34478127631. The reversal of 34478127617 is 71672187443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34461838321 + 16289296 = 185639^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 34478127617 - 2¹⁴ = 34478111233 is a prime.

It is not a weakly prime, because it can be changed into another prime (34478127611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17239063808 + 17239063809.

It is an arithmetic number, because the mean of its divisors is an integer number (17239063809).

Almost surely, 2^34478127617 is an apocalyptic number.

It is an amenable number.

34478127617 is a deficient number, since it is larger than the sum of its proper divisors (1).

34478127617 is an equidigital number, since it uses as much as digits as its factorization.

34478127617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 50.

The spelling of 34478127617 in words is "thirty-four billion, four hundred seventy-eight million, one hundred twenty-seven thousand, six hundred seventeen".