808171320213 has 8 divisors (see below), whose sum is σ = 1197290844800. Its totient is φ = 538780880124.

The previous prime is 808171320199. The next prime is 808171320227. The reversal of 808171320213 is 312023171808.

It is an interprime number because it is at equal distance from previous prime (808171320199) and next prime (808171320227).

It is not a de Polignac number, because 808171320213 - 2¹³ = 808171312021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808171320263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14966135533 + ... + 14966135586.

It is an arithmetic number, because the mean of its divisors is an integer number (149661355600).

Almost surely, 2^808171320213 is an apocalyptic number.

It is an amenable number.

808171320213 is a deficient number, since it is larger than the sum of its proper divisors (389119524587).

808171320213 is a wasteful number, since it uses less digits than its factorization.

808171320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29932271128 (or 29932271122 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 808171320213 in words is "eight hundred eight billion, one hundred seventy-one million, three hundred twenty thousand, two hundred thirteen".