808623398801 has 2 divisors, whose sum is σ = 808623398802. Its totient is φ = 808623398800.

The previous prime is 808623398729. The next prime is 808623398809. The reversal of 808623398801 is 108893326808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534654902401 + 273968496400 = 731201^2 + 523420^2 .

It is a cyclic number.

It is not a de Polignac number, because 808623398801 - 2¹⁴ = 808623382417 is a prime.

It is not a weakly prime, because it can be changed into another prime (808623398809) 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, 404311699400 + 404311699401.

It is an arithmetic number, because the mean of its divisors is an integer number (404311699401).

Almost surely, 2^808623398801 is an apocalyptic number.

It is an amenable number.

808623398801 is a deficient number, since it is larger than the sum of its proper divisors (1).

808623398801 is an equidigital number, since it uses as much as digits as its factorization.

808623398801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 808623398801 in words is "eight hundred eight billion, six hundred twenty-three million, three hundred ninety-eight thousand, eight hundred one".