8717870164 has 12 divisors (see below), whose sum is σ = 16153700724. Its totient is φ = 4102527104.

The previous prime is 8717870143. The next prime is 8717870197. The reversal of 8717870164 is 4610787178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3079362064 + 5638508100 = 55492^2 + 75090^2 .

It is a super-2 number, since 2×8717870164² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64101919 + ... + 64102054.

It is an arithmetic number, because the mean of its divisors is an integer number (1346141727).

Almost surely, 2^8717870164 is an apocalyptic number.

It is an amenable number.

8717870164 is a deficient number, since it is larger than the sum of its proper divisors (7435830560).

8717870164 is a wasteful number, since it uses less digits than its factorization.

8717870164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128203994 (or 128203992 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 8717870164 is about 93369.5355241741. The cubic root of 8717870164 is about 2058.1173426878.

The spelling of 8717870164 in words is "eight billion, seven hundred seventeen million, eight hundred seventy thousand, one hundred sixty-four".