808187475859 has 2 divisors, whose sum is σ = 808187475860. Its totient is φ = 808187475858.

The previous prime is 808187475857. The next prime is 808187475863. The reversal of 808187475859 is 958574781808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 808187475859 - 2¹ = 808187475857 is a prime.

It is a super-2 number, since 2×808187475859² (a number of 25 digits) contains 22 as substring.

Together with 808187475857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (808187475857) 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, 404093737929 + 404093737930.

It is an arithmetic number, because the mean of its divisors is an integer number (404093737930).

Almost surely, 2^808187475859 is an apocalyptic number.

808187475859 is a deficient number, since it is larger than the sum of its proper divisors (1).

808187475859 is an equidigital number, since it uses as much as digits as its factorization.

808187475859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180633600, while the sum is 70.

The spelling of 808187475859 in words is "eight hundred eight billion, one hundred eighty-seven million, four hundred seventy-five thousand, eight hundred fifty-nine".