808821338793 has 32 divisors (see below), whose sum is σ = 1232136192000. Its totient is φ = 467826601536.

The previous prime is 808821338687. The next prime is 808821338833. The reversal of 808821338793 is 397833128808.

It is not a de Polignac number, because 808821338793 - 2²¹ = 808819241641 is a prime.

It is a super-3 number, since 3×808821338793³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (808821338393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4203243 + ... + 4391456.

It is an arithmetic number, because the mean of its divisors is an integer number (38504256000).

Almost surely, 2^808821338793 is an apocalyptic number.

It is an amenable number.

808821338793 is a deficient number, since it is larger than the sum of its proper divisors (423314853207).

808821338793 is a wasteful number, since it uses less digits than its factorization.

808821338793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594861.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 808821338793 in words is "eight hundred eight billion, eight hundred twenty-one million, three hundred thirty-eight thousand, seven hundred ninety-three".