82760345650885 has 16 divisors (see below), whose sum is σ = 113500703347200. Its totient is φ = 56749550933376.

The previous prime is 82760345650859. The next prime is 82760345650909. The reversal of 82760345650885 is 58805654306728.

It is not a de Polignac number, because 82760345650885 - 2³¹ = 82758198167237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82760345650885.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3265645 + ... + 13273474.

It is an arithmetic number, because the mean of its divisors is an integer number (7093793959200).

Almost surely, 2^{82760345650885} is an apocalyptic number.

It is an amenable number.

82760345650885 is a deficient number, since it is larger than the sum of its proper divisors (30740357696315).

82760345650885 is a wasteful number, since it uses less digits than its factorization.

82760345650885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16682100.

The product of its (nonzero) digits is 387072000, while the sum is 67.

The spelling of 82760345650885 in words is "eighty-two trillion, seven hundred sixty billion, three hundred forty-five million, six hundred fifty thousand, eight hundred eighty-five".