82604609064220 has 48 divisors (see below), whose sum is σ = 182608812116640. Its totient is φ = 31301230657536.

The previous prime is 82604609064167. The next prime is 82604609064221. The reversal of 82604609064220 is 2246090640628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82604609064221) 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 15 ways as a sum of consecutive naturals, for example, 2160924 + ... + 13033756.

It is an arithmetic number, because the mean of its divisors is an integer number (3804350252430).

Almost surely, 2^{82604609064220} is an apocalyptic number.

It is an amenable number.

82604609064220 is an abundant number, since it is smaller than the sum of its proper divisors (100004203052420).

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

82604609064220 is a wasteful number, since it uses less digits than its factorization.

82604609064220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892854 (or 10892852 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 82604609064220 in words is "eighty-two trillion, six hundred four billion, six hundred nine million, sixty-four thousand, two hundred twenty".