7982077862393 has 2 divisors, whose sum is σ = 7982077862394. Its totient is φ = 7982077862392.

The previous prime is 7982077862387. The next prime is 7982077862441. The reversal of 7982077862393 is 3932687702897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6385789648144 + 1596288214249 = 2527012^2 + 1263443^2 .

It is a cyclic number.

It is not a de Polignac number, because 7982077862393 - 2¹⁴ = 7982077846009 is a prime.

It is not a weakly prime, because it can be changed into another prime (7982077862323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991038931196 + 3991038931197.

It is an arithmetic number, because the mean of its divisors is an integer number (3991038931197).

Almost surely, 2^{7982077862393} is an apocalyptic number.

It is an amenable number.

7982077862393 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982077862393 is an equidigital number, since it uses as much as digits as its factorization.

7982077862393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384072192, while the sum is 71.

The spelling of 7982077862393 in words is "seven trillion, nine hundred eighty-two billion, seventy-seven million, eight hundred sixty-two thousand, three hundred ninety-three".