82533397806 has 24 divisors (see below), whose sum is σ = 178837803144. Its totient is φ = 27508757040.

The previous prime is 82533397769. The next prime is 82533397867. The reversal of 82533397806 is 60879333528.

82533397806 is a `hidden beast` number, since 8 + 2 + 533 + 39 + 78 + 0 + 6 = 666.

It is a super-2 number, since 2×82533397806² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22945 + ... + 406931.

It is an arithmetic number, because the mean of its divisors is an integer number (7451575131).

Almost surely, 2^82533397806 is an apocalyptic number.

82533397806 is an abundant number, since it is smaller than the sum of its proper divisors (96304405338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82533397806 is a wasteful number, since it uses less digits than its factorization.

82533397806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395936 (or 395933 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 82533397806 in words is "eighty-two billion, five hundred thirty-three million, three hundred ninety-seven thousand, eight hundred six".