8787660 has 120 divisors (see below), whose sum is σ = 29175216. Its totient is φ = 1975680.

The previous prime is 8787643. The next prime is 8787661. The reversal of 8787660 is 667878.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8787661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144030 + ... + 144090.

Almost surely, 2^8787660 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 8787660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14587608).

8787660 is an abundant number, since it is smaller than the sum of its proper divisors (20387556).

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

8787660 is a wasteful number, since it uses less digits than its factorization.

8787660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 8787660 is about 2964.3987586018. The cubic root of 8787660 is about 206.3594753983.

The spelling of 8787660 in words is "eight million, seven hundred eighty-seven thousand, six hundred sixty".