808838397943 has 32 divisors (see below), whose sum is σ = 881777318400. Its totient is φ = 739383676416.

The previous prime is 808838397877. The next prime is 808838397967. The reversal of 808838397943 is 349793838808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-808838397943 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 (808838337943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94740771 + ... + 94749307.

It is an arithmetic number, because the mean of its divisors is an integer number (27555541200).

Almost surely, 2^808838397943 is an apocalyptic number.

808838397943 is a deficient number, since it is larger than the sum of its proper divisors (72938920457).

808838397943 is a wasteful number, since it uses less digits than its factorization.

808838397943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991.

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 808838397943 in words is "eight hundred eight billion, eight hundred thirty-eight million, three hundred ninety-seven thousand, nine hundred forty-three".