7982077862441 has 2 divisors, whose sum is σ = 7982077862442. Its totient is φ = 7982077862440.

The previous prime is 7982077862393. The next prime is 7982077862531. The reversal of 7982077862441 is 1442687702897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6861858835225 + 1120219027216 = 2619515^2 + 1058404^2 .

It is a cyclic number.

It is not a de Polignac number, because 7982077862441 - 2¹⁸ = 7982077600297 is a prime.

It is not a weakly prime, because it can be changed into another prime (7982077862141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991038931220 + 3991038931221.

It is an arithmetic number, because the mean of its divisors is an integer number (3991038931221).

Almost surely, 2^{7982077862441} is an apocalyptic number.

It is an amenable number.

7982077862441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982077862441 is an equidigital number, since it uses as much as digits as its factorization.

7982077862441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 7982077862441 in words is "seven trillion, nine hundred eighty-two billion, seventy-seven million, eight hundred sixty-two thousand, four hundred forty-one".