71084212881686 has 64 divisors (see below), whose sum is σ = 119129680800000. Its totient is φ = 31613749816320.

The previous prime is 71084212881683. The next prime is 71084212881691. The reversal of 71084212881686 is 68618821248017.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 550928921 + ... + 551057931.

It is an arithmetic number, because the mean of its divisors is an integer number (1861401262500).

Almost surely, 2^{71084212881686} is an apocalyptic number.

71084212881686 is a deficient number, since it is larger than the sum of its proper divisors (48045467918314).

71084212881686 is a wasteful number, since it uses less digits than its factorization.

71084212881686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131117.

The product of its (nonzero) digits is 16515072, while the sum is 62.

The spelling of 71084212881686 in words is "seventy-one trillion, eighty-four billion, two hundred twelve million, eight hundred eighty-one thousand, six hundred eighty-six".