8020798659173 has 2 divisors, whose sum is σ = 8020798659174. Its totient is φ = 8020798659172.

The previous prime is 8020798659157. The next prime is 8020798659197. The reversal of 8020798659173 is 3719568970208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6595358468449 + 1425440190724 = 2568143^2 + 1193918^2 .

It is a cyclic number.

It is not a de Polignac number, because 8020798659173 - 2⁴ = 8020798659157 is a prime.

It is a super-2 number, since 2×8020798659173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8020798659113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010399329586 + 4010399329587.

It is an arithmetic number, because the mean of its divisors is an integer number (4010399329587).

Almost surely, 2^{8020798659173} is an apocalyptic number.

It is an amenable number.

8020798659173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8020798659173 is an equidigital number, since it uses as much as digits as its factorization.

8020798659173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 8020798659173 in words is "eight trillion, twenty billion, seven hundred ninety-eight million, six hundred fifty-nine thousand, one hundred seventy-three".