8071782230797 has 2 divisors, whose sum is σ = 8071782230798. Its totient is φ = 8071782230796.

The previous prime is 8071782230777. The next prime is 8071782230843. The reversal of 8071782230797 is 7970322871708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7989859769956 + 81922460841 = 2826634^2 + 286221^2 .

It is a cyclic number.

It is not a de Polignac number, because 8071782230797 - 2¹¹ = 8071782228749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8071782230747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035891115398 + 4035891115399.

It is an arithmetic number, because the mean of its divisors is an integer number (4035891115399).

Almost surely, 2^{8071782230797} is an apocalyptic number.

It is an amenable number.

8071782230797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8071782230797 is an equidigital number, since it uses as much as digits as its factorization.

8071782230797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16595712, while the sum is 61.

The spelling of 8071782230797 in words is "eight trillion, seventy-one billion, seven hundred eighty-two million, two hundred thirty thousand, seven hundred ninety-seven".