84171702006 has 96 divisors (see below), whose sum is σ = 213759786240. Its totient is φ = 23436084672.

The previous prime is 84171701993. The next prime is 84171702053. The reversal of 84171702006 is 60020717148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2382640 + ... + 2417708.

It is an arithmetic number, because the mean of its divisors is an integer number (2226664440).

Almost surely, 2^84171702006 is an apocalyptic number.

84171702006 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 84171702006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106879893120).

84171702006 is an abundant number, since it is smaller than the sum of its proper divisors (129588084234).

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

84171702006 is a wasteful number, since it uses less digits than its factorization.

84171702006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35570 (or 35567 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 84171702006 in words is "eighty-four billion, one hundred seventy-one million, seven hundred two thousand, six".