8660535844 has 81 divisors (see below), whose sum is σ = 16740100251. Its totient is φ = 3919771440.

The previous prime is 8660535841. The next prime is 8660535847. The reversal of 8660535844 is 4485350668.

It is a happy number.

The square root of 8660535844 is 93062.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (8660535841) and next prime (8660535847).

It is a super-2 number, since 2×8660535844² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8660535841) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 109626997 + ... + 109627075.

Almost surely, 2^8660535844 is an apocalyptic number.

8660535844 is the 93062-nd square number.

It is an amenable number.

8660535844 is a deficient number, since it is larger than the sum of its proper divisors (8079564407).

8660535844 is a wasteful number, since it uses less digits than its factorization.

8660535844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The cubic root of 8660535844 is about 2053.5955811274.

Multiplying 8660535844 by its sum of digits (49), we get a square (424366256356 = 651434²).

The spelling of 8660535844 in words is "eight billion, six hundred sixty million, five hundred thirty-five thousand, eight hundred forty-four".