8289060660 has 36 divisors (see below), whose sum is σ = 25143484548. Its totient is φ = 2210416128.

The previous prime is 8289060653. The next prime is 8289060667. The reversal of 8289060660 is 660609828.

It is an interprime number because it is at equal distance from previous prime (8289060653) and next prime (8289060667).

It can be written as a sum of positive squares in 2 ways, for example, as 6256493604 + 2032567056 = 79098^2 + 45084^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8289060667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23024989 + ... + 23025348.

Almost surely, 2^8289060660 is an apocalyptic number.

It is an amenable number.

8289060660 is an abundant number, since it is smaller than the sum of its proper divisors (16854423888).

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

8289060660 is a wasteful number, since it uses less digits than its factorization.

8289060660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46050352 (or 46050347 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 8289060660 is about 91044.2785681780. The cubic root of 8289060660 is about 2023.8039503093.

The spelling of 8289060660 in words is "eight billion, two hundred eighty-nine million, sixty thousand, six hundred sixty".