8711560 has 64 divisors (see below), whose sum is σ = 23042880. Its totient is φ = 2922240.

The previous prime is 8711551. The next prime is 8711561. The reversal of 8711560 is 651178.

It is a happy number.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8711561) 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, 4959 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (360045).

Almost surely, 2^8711560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8711560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11521440).

8711560 is an abundant number, since it is smaller than the sum of its proper divisors (14331320).

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

8711560 is a wasteful number, since it uses less digits than its factorization.

8711560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 8711560 is about 2951.5351937593. The cubic root of 8711560 is about 205.7620654376.

The spelling of 8711560 in words is "eight million, seven hundred eleven thousand, five hundred sixty".