65088085217 has 2 divisors, whose sum is σ = 65088085218. Its totient is φ = 65088085216.

The previous prime is 65088085121. The next prime is 65088085259. The reversal of 65088085217 is 71258088056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58211695441 + 6876389776 = 241271^2 + 82924^2 .

It is a cyclic number.

It is not a de Polignac number, because 65088085217 - 2¹⁶ = 65088019681 is a prime.

It is not a weakly prime, because it can be changed into another prime (65088085817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32544042608 + 32544042609.

It is an arithmetic number, because the mean of its divisors is an integer number (32544042609).

Almost surely, 2^65088085217 is an apocalyptic number.

It is an amenable number.

65088085217 is a deficient number, since it is larger than the sum of its proper divisors (1).

65088085217 is an equidigital number, since it uses as much as digits as its factorization.

65088085217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 65088085217 in words is "sixty-five billion, eighty-eight million, eighty-five thousand, two hundred seventeen".