8857664 has 14 divisors (see below), whose sum is σ = 17577054. Its totient is φ = 4428800.

The previous prime is 8857649. The next prime is 8857669. The reversal of 8857664 is 4667588.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 1459264 = 2720^2 + 1208^2 .

It is not an unprimeable number, because it can be changed into a prime (8857669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69137 + ... + 69264.

Almost surely, 2^8857664 is an apocalyptic number.

It is an amenable number.

8857664 is a deficient number, since it is larger than the sum of its proper divisors (8719390).

8857664 is a wasteful number, since it uses less digits than its factorization.

8857664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138413 (or 138403 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 8857664 is about 2976.1827900853. The cubic root of 8857664 is about 206.9059916817.

The spelling of 8857664 in words is "eight million, eight hundred fifty-seven thousand, six hundred sixty-four".