82711487884078 has 16 divisors (see below), whose sum is σ = 124196826783744. Its totient is φ = 41312546515800.

The previous prime is 82711487884073. The next prime is 82711487884133. The reversal of 82711487884078 is 87048878411728.

It is a self number, because there is not a number n which added to its sum of digits gives 82711487884078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82711487884073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270543403 + ... + 270848953.

It is an arithmetic number, because the mean of its divisors is an integer number (7762301673984).

Almost surely, 2^{82711487884078} is an apocalyptic number.

82711487884078 is a deficient number, since it is larger than the sum of its proper divisors (41485338899666).

82711487884078 is a wasteful number, since it uses less digits than its factorization.

82711487884078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446487.

The product of its (nonzero) digits is 359661568, while the sum is 73.

The spelling of 82711487884078 in words is "eighty-two trillion, seven hundred eleven billion, four hundred eighty-seven million, eight hundred eighty-four thousand, seventy-eight".