82662800385538 has 16 divisors (see below), whose sum is σ = 130520435934240. Its totient is φ = 39155995900800.

The previous prime is 82662800385527. The next prime is 82662800385541. The reversal of 82662800385538 is 83558300826628.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82662800385538.

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 7 ways as a sum of consecutive naturals, for example, 25782418 + ... + 28810738.

It is an arithmetic number, because the mean of its divisors is an integer number (8157527245890).

Almost surely, 2^{82662800385538} is an apocalyptic number.

82662800385538 is a deficient number, since it is larger than the sum of its proper divisors (47857635548702).

82662800385538 is a wasteful number, since it uses less digits than its factorization.

82662800385538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746673.

The product of its (nonzero) digits is 132710400, while the sum is 64.

The spelling of 82662800385538 in words is "eighty-two trillion, six hundred sixty-two billion, eight hundred million, three hundred eighty-five thousand, five hundred thirty-eight".