3871717221702 has 64 divisors (see below), whose sum is σ = 8663767257600. Its totient is φ = 1143487488000.

The previous prime is 3871717221679. The next prime is 3871717221707. The reversal of 3871717221702 is 2071227171783.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871717221707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3136827 + ... + 4193222.

It is an arithmetic number, because the mean of its divisors is an integer number (135371363400).

Almost surely, 2^{3871717221702} is an apocalyptic number.

3871717221702 is an abundant number, since it is smaller than the sum of its proper divisors (4792050035898).

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

3871717221702 is a wasteful number, since it uses less digits than its factorization.

3871717221702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330269.

The product of its (nonzero) digits is 460992, while the sum is 48.

The spelling of 3871717221702 in words is "three trillion, eight hundred seventy-one billion, seven hundred seventeen million, two hundred twenty-one thousand, seven hundred two".