8887681 has 8 divisors (see below), whose sum is σ = 9728928. Its totient is φ = 8052000.

The previous prime is 8887679. The next prime is 8887691. The reversal of 8887681 is 1867888.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8887681 - 2¹ = 8887679 is a prime.

It is a super-2 number, since 2×8887681² = 157981747115522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8887621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (1216116).

Almost surely, 2^8887681 is an apocalyptic number.

It is an amenable number.

8887681 is a deficient number, since it is larger than the sum of its proper divisors (841247).

8887681 is a wasteful number, since it uses less digits than its factorization.

8887681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its digits is 172032, while the sum is 46.

The square root of 8887681 is about 2981.2213939927. The cubic root of 8887681 is about 207.1394503262.

The spelling of 8887681 in words is "eight million, eight hundred eighty-seven thousand, six hundred eighty-one".