8787664 has 10 divisors (see below), whose sum is σ = 17026130. Its totient is φ = 4393824.

The previous prime is 8787661. The next prime is 8787673. The reversal of 8787664 is 4667878.

It can be written as a sum of positive squares in only one way, i.e., 5253264 + 3534400 = 2292^2 + 1880^2 .

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 as a sum of consecutive naturals, namely, 274599 + ... + 274630.

It is an arithmetic number, because the mean of its divisors is an integer number (1702613).

Almost surely, 2^8787664 is an apocalyptic number.

It is an amenable number.

8787664 is a deficient number, since it is larger than the sum of its proper divisors (8238466).

8787664 is a wasteful number, since it uses less digits than its factorization.

8787664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549237 (or 549231 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 8787664 is about 2964.3994332748. The cubic root of 8787664 is about 206.3595067088.

The spelling of 8787664 in words is "eight million, seven hundred eighty-seven thousand, six hundred sixty-four".