8821087 has 8 divisors (see below), whose sum is σ = 9654912. Its totient is φ = 7992600.

The previous prime is 8821067. The next prime is 8821091. The reversal of 8821087 is 7801288.

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

It is not a de Polignac number, because 8821087 - 2¹⁵ = 8788319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2662 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (1206864).

Almost surely, 2^8821087 is an apocalyptic number.

8821087 is a deficient number, since it is larger than the sum of its proper divisors (833825).

8821087 is a wasteful number, since it uses less digits than its factorization.

8821087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 8821087 is about 2970.0314813146. The cubic root of 8821087 is about 206.6207982955.

The spelling of 8821087 in words is "eight million, eight hundred twenty-one thousand, eighty-seven".