7975881496417 has 2 divisors, whose sum is σ = 7975881496418. Its totient is φ = 7975881496416.

The previous prime is 7975881496397. The next prime is 7975881496421. The reversal of 7975881496417 is 7146941885797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4714982302801 + 3260899193616 = 2171401^2 + 1805796^2 .

It is a cyclic number.

It is not a de Polignac number, because 7975881496417 - 2³⁹ = 7426125682529 is a prime.

It is a super-2 number, since 2×7975881496417² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7975881406417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987940748208 + 3987940748209.

It is an arithmetic number, because the mean of its divisors is an integer number (3987940748209).

Almost surely, 2^{7975881496417} is an apocalyptic number.

It is an amenable number.

7975881496417 is a deficient number, since it is larger than the sum of its proper divisors (1).

7975881496417 is an equidigital number, since it uses as much as digits as its factorization.

7975881496417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 853493760, while the sum is 76.

The spelling of 7975881496417 in words is "seven trillion, nine hundred seventy-five billion, eight hundred eighty-one million, four hundred ninety-six thousand, four hundred seventeen".