82774543312520 has 32 divisors (see below), whose sum is σ = 188050904233920. Its totient is φ = 32788362786240.

The previous prime is 82774543312501. The next prime is 82774543312537. The reversal of 82774543312520 is 2521334547728.

82774543312520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10045450166 + ... + 10045458405.

It is an arithmetic number, because the mean of its divisors is an integer number (5876590757310).

Almost surely, 2^{82774543312520} is an apocalyptic number.

It is an amenable number.

82774543312520 is an abundant number, since it is smaller than the sum of its proper divisors (105276360921400).

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

82774543312520 is a wasteful number, since it uses less digits than its factorization.

82774543312520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20090908685 (or 20090908681 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 82774543312520 in words is "eighty-two trillion, seven hundred seventy-four billion, five hundred forty-three million, three hundred twelve thousand, five hundred twenty".