82420080406206 has 64 divisors (see below), whose sum is σ = 169670099644416. Its totient is φ = 26674868563200.

The previous prime is 82420080406201. The next prime is 82420080406217. The reversal of 82420080406206 is 60260408002428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82420080406201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179210860 + ... + 179670176.

It is an arithmetic number, because the mean of its divisors is an integer number (2651095306944).

Almost surely, 2^{82420080406206} is an apocalyptic number.

82420080406206 is an abundant number, since it is smaller than the sum of its proper divisors (87250019238210).

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

82420080406206 is a wasteful number, since it uses less digits than its factorization.

82420080406206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462857.

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 82420080406206 in words is "eighty-two trillion, four hundred twenty billion, eighty million, four hundred six thousand, two hundred six".