808400272959 has 6 divisors (see below), whose sum is σ = 1167689283176. Its totient is φ = 538933515300.

The previous prime is 808400272957. The next prime is 808400272993. The reversal of 808400272959 is 959272004808.

808400272959 is a `hidden beast` number, since 80 + 8 + 400 + 2 + 72 + 95 + 9 = 666.

It is not a de Polignac number, because 808400272959 - 2¹ = 808400272957 is a prime.

It is a super-2 number, since 2×808400272959² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808400272957) 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 in 5 ways as a sum of consecutive naturals, for example, 44911126267 + ... + 44911126284.

Almost surely, 2^808400272959 is an apocalyptic number.

808400272959 is a deficient number, since it is larger than the sum of its proper divisors (359289010217).

808400272959 is a wasteful number, since it uses less digits than its factorization.

808400272959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89822252557 (or 89822252554 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 808400272959 in words is "eight hundred eight billion, four hundred million, two hundred seventy-two thousand, nine hundred fifty-nine".