797843754871 has 2 divisors, whose sum is σ = 797843754872. Its totient is φ = 797843754870.

The previous prime is 797843754839. The next prime is 797843754943. The reversal of 797843754871 is 178457348797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797843754871 - 2⁵ = 797843754839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797843754871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797843758871) 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, 398921877435 + 398921877436.

It is an arithmetic number, because the mean of its divisors is an integer number (398921877436).

Almost surely, 2^797843754871 is an apocalyptic number.

797843754871 is a deficient number, since it is larger than the sum of its proper divisors (1).

797843754871 is an equidigital number, since it uses as much as digits as its factorization.

797843754871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331914240, while the sum is 70.

It can be divided in two parts, 7978437 and 54871, that added together give a palindrome (8033308).

The spelling of 797843754871 in words is "seven hundred ninety-seven billion, eight hundred forty-three million, seven hundred fifty-four thousand, eight hundred seventy-one".