797982289771 has 2 divisors, whose sum is σ = 797982289772. Its totient is φ = 797982289770.

The previous prime is 797982289751. The next prime is 797982289789. The reversal of 797982289771 is 177982289797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 797982289771 - 2⁹ = 797982289259 is a prime.

It is a super-2 number, since 2×797982289771² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (797982289751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398991144885 + 398991144886.

It is an arithmetic number, because the mean of its divisors is an integer number (398991144886).

Almost surely, 2^797982289771 is an apocalyptic number.

797982289771 is a deficient number, since it is larger than the sum of its proper divisors (1).

797982289771 is an equidigital number, since it uses as much as digits as its factorization.

797982289771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448084224, while the sum is 76.

The spelling of 797982289771 in words is "seven hundred ninety-seven billion, nine hundred eighty-two million, two hundred eighty-nine thousand, seven hundred seventy-one".