8198837406871 has 2 divisors, whose sum is σ = 8198837406872. Its totient is φ = 8198837406870.

The previous prime is 8198837406853. The next prime is 8198837406937. The reversal of 8198837406871 is 1786047388918.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8198837406871 - 2³⁹ = 7649081592983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8198837406871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8198837446871) 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, 4099418703435 + 4099418703436.

It is an arithmetic number, because the mean of its divisors is an integer number (4099418703436).

Almost surely, 2^{8198837406871} is an apocalyptic number.

8198837406871 is a deficient number, since it is larger than the sum of its proper divisors (1).

8198837406871 is an equidigital number, since it uses as much as digits as its factorization.

8198837406871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130056192, while the sum is 70.

The spelling of 8198837406871 in words is "eight trillion, one hundred ninety-eight billion, eight hundred thirty-seven million, four hundred six thousand, eight hundred seventy-one".