82805550808 has 16 divisors (see below), whose sum is σ = 157891941000. Its totient is φ = 40701033216.

The previous prime is 82805550803. The next prime is 82805550827. The reversal of 82805550808 is 80805550828.

It is a super-3 number, since 3×82805550808³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82805550803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87717273 + ... + 87718216.

Almost surely, 2^82805550808 is an apocalyptic number.

It is an amenable number.

82805550808 is a deficient number, since it is larger than the sum of its proper divisors (75086390192).

82805550808 is a wasteful number, since it uses less digits than its factorization.

82805550808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175435554 (or 175435550 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 49.

The spelling of 82805550808 in words is "eighty-two billion, eight hundred five million, five hundred fifty thousand, eight hundred eight".