987087 has 8 divisors (see below), whose sum is σ = 1325440. Its totient is φ = 653400.

The previous prime is 987083. The next prime is 987089. The reversal of 987087 is 780789.

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

It is not a de Polignac number, because 987087 - 2² = 987083 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987087.

It is not an unprimeable number, because it can be changed into a prime (987083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (165680).

2⁹⁸⁷⁰⁸⁷ is an apocalyptic number.

987087 is a deficient number, since it is larger than the sum of its proper divisors (338353).

987087 is a wasteful number, since it uses less digits than its factorization.

987087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 987087 is about 993.5225211338. The cubic root of 987087 is about 99.5677005313.

The spelling of 987087 in words is "nine hundred eighty-seven thousand, eighty-seven".