8987887 has 4 divisors (see below), whose sum is σ = 9035136. Its totient is φ = 8940640.

The previous prime is 8987851. The next prime is 8987911. The reversal of 8987887 is 7887898.

8987887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8987887 is a prime.

It is a super-2 number, since 2×8987887² = 161564225449538, which contains 22 as substring.

It is a Duffinian number.

8987887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23338 + ... + 23719.

It is an arithmetic number, because the mean of its divisors is an integer number (2258784).

Almost surely, 2^8987887 is an apocalyptic number.

8987887 is a deficient number, since it is larger than the sum of its proper divisors (47249).

8987887 is a wasteful number, since it uses less digits than its factorization.

8987887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47248.

The product of its digits is 1806336, while the sum is 55.

The square root of 8987887 is about 2997.9804869278. The cubic root of 8987887 is about 207.9150216848.

The spelling of 8987887 in words is "eight million, nine hundred eighty-seven thousand, eight hundred eighty-seven".