808381028597 has 2 divisors, whose sum is σ = 808381028598. Its totient is φ = 808381028596.

The previous prime is 808381028579. The next prime is 808381028647. The reversal of 808381028597 is 795820183808.

Together with previous prime (808381028579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561261682276 + 247119346321 = 749174^2 + 497111^2 .

It is a cyclic number.

It is not a de Polignac number, because 808381028597 - 2¹² = 808381024501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808381028527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404190514298 + 404190514299.

It is an arithmetic number, because the mean of its divisors is an integer number (404190514299).

Almost surely, 2^808381028597 is an apocalyptic number.

It is an amenable number.

808381028597 is a deficient number, since it is larger than the sum of its proper divisors (1).

808381028597 is an equidigital number, since it uses as much as digits as its factorization.

808381028597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 59.

The spelling of 808381028597 in words is "eight hundred eight billion, three hundred eighty-one million, twenty-eight thousand, five hundred ninety-seven".