8515327660 has 48 divisors (see below), whose sum is σ = 21512413440. Its totient is φ = 2765880000.

The previous prime is 8515327643. The next prime is 8515327661. The reversal of 8515327660 is 667235158.

It is a super-2 number, since 2×8515327660² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8515327661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597966 + ... + 1603285.

It is an arithmetic number, because the mean of its divisors is an integer number (448175280).

Almost surely, 2^8515327660 is an apocalyptic number.

It is an amenable number.

8515327660 is an abundant number, since it is smaller than the sum of its proper divisors (12997085780).

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

8515327660 is a wasteful number, since it uses less digits than its factorization.

8515327660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201286 (or 3201284 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 8515327660 is about 92278.5330399221. The cubic root of 8515327660 is about 2042.0535245679.

The spelling of 8515327660 in words is "eight billion, five hundred fifteen million, three hundred twenty-seven thousand, six hundred sixty".