71084212881684 has 12 divisors (see below), whose sum is σ = 165863163390624. Its totient is φ = 23694737627224.

The previous prime is 71084212881683. The next prime is 71084212881691. The reversal of 71084212881684 is 48618821248017.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71084212881683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2961842203392 + ... + 2961842203415.

It is an arithmetic number, because the mean of its divisors is an integer number (13821930282552).

Almost surely, 2^{71084212881684} is an apocalyptic number.

It is an amenable number.

71084212881684 is an abundant number, since it is smaller than the sum of its proper divisors (94778950508940).

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

71084212881684 is a wasteful number, since it uses less digits than its factorization.

71084212881684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923684406814 (or 5923684406812 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 60.

The spelling of 71084212881684 in words is "seventy-one trillion, eighty-four billion, two hundred twelve million, eight hundred eighty-one thousand, six hundred eighty-four".