104177616217 has 2 divisors, whose sum is σ = 104177616218. Its totient is φ = 104177616216.

The previous prime is 104177616211. The next prime is 104177616259. The reversal of 104177616217 is 712616771401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91467534096 + 12710082121 = 302436^2 + 112739^2 .

It is a cyclic number.

It is not a de Polignac number, because 104177616217 - 2²³ = 104169227609 is a prime.

It is not a weakly prime, because it can be changed into another prime (104177616211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52088808108 + 52088808109.

It is an arithmetic number, because the mean of its divisors is an integer number (52088808109).

Almost surely, 2^104177616217 is an apocalyptic number.

It is an amenable number.

104177616217 is a deficient number, since it is larger than the sum of its proper divisors (1).

104177616217 is an equidigital number, since it uses as much as digits as its factorization.

104177616217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 104177616217 in words is "one hundred four billion, one hundred seventy-seven million, six hundred sixteen thousand, two hundred seventeen".