8260217256773 has 2 divisors, whose sum is σ = 8260217256774. Its totient is φ = 8260217256772.

The previous prime is 8260217256737. The next prime is 8260217256791. The reversal of 8260217256773 is 3776527120628.

Together with previous prime (8260217256737) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6040692359524 + 2219524897249 = 2457782^2 + 1489807^2 .

It is a cyclic number.

It is not a de Polignac number, because 8260217256773 - 2²² = 8260213062469 is a prime.

It is a super-3 number, since 3×8260217256773³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8260217256793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130108628386 + 4130108628387.

It is an arithmetic number, because the mean of its divisors is an integer number (4130108628387).

Almost surely, 2^{8260217256773} is an apocalyptic number.

It is an amenable number.

8260217256773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8260217256773 is an equidigital number, since it uses as much as digits as its factorization.

8260217256773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 8260217256773 in words is "eight trillion, two hundred sixty billion, two hundred seventeen million, two hundred fifty-six thousand, seven hundred seventy-three".