8987055 has 64 divisors (see below), whose sum is σ = 18579456. Its totient is φ = 3600000.

The previous prime is 8987047. The next prime is 8987093. The reversal of 8987055 is 5507898.

It is not a de Polignac number, because 8987055 - 2³ = 8987047 is a prime.

It is an Ulam number.

8987055 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8986998 and 8987016.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 35680 + ... + 35930.

It is an arithmetic number, because the mean of its divisors is an integer number (290304).

Almost surely, 2^8987055 is an apocalyptic number.

8987055 is an abundant number, since it is smaller than the sum of its proper divisors (9592401).

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

8987055 is a wasteful number, since it uses less digits than its factorization.

8987055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 8987055 is about 2997.8417236405. The cubic root of 8987055 is about 207.9086059894.

The spelling of 8987055 in words is "eight million, nine hundred eighty-seven thousand, fifty-five".