82704531505556 has 12 divisors (see below), whose sum is σ = 144733175146560. Its totient is φ = 41352195749400.

The previous prime is 82704531505553. The next prime is 82704531505597. The reversal of 82704531505556 is 65550513540728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704531505553) 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, 14796170 + ... + 19604481.

It is an arithmetic number, because the mean of its divisors is an integer number (12061097928880).

Almost surely, 2^{82704531505556} is an apocalyptic number.

It is an amenable number.

82704531505556 is a deficient number, since it is larger than the sum of its proper divisors (62028643641004).

82704531505556 is a wasteful number, since it uses less digits than its factorization.

82704531505556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35001694 (or 35001692 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 56.

The spelling of 82704531505556 in words is "eighty-two trillion, seven hundred four billion, five hundred thirty-one million, five hundred five thousand, five hundred fifty-six".