7982617417 has 2 divisors, whose sum is σ = 7982617418. Its totient is φ = 7982617416.

The previous prime is 7982617403. The next prime is 7982617457. The reversal of 7982617417 is 7147162897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6787947321 + 1194670096 = 82389^2 + 34564^2 .

It is a cyclic number.

It is not a de Polignac number, because 7982617417 - 2²³ = 7974228809 is a prime.

It is not a weakly prime, because it can be changed into another prime (7982617457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991308708 + 3991308709.

It is an arithmetic number, because the mean of its divisors is an integer number (3991308709).

Almost surely, 2^7982617417 is an apocalyptic number.

It is an amenable number.

7982617417 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982617417 is an equidigital number, since it uses as much as digits as its factorization.

7982617417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 52.

The square root of 7982617417 is about 89345.4946653719. The cubic root of 7982617417 is about 1998.5504010019.

The spelling of 7982617417 in words is "seven billion, nine hundred eighty-two million, six hundred seventeen thousand, four hundred seventeen".