887999 has 4 divisors (see below), whose sum is σ = 1014864. Its totient is φ = 761136.

The previous prime is 887989. The next prime is 888001. The reversal of 887999 is 999788.

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

It is a cyclic number.

It is not a de Polignac number, because 887999 - 2⁸ = 887743 is a prime.

It is a Duffinian number.

887999 is a modest number, since divided by 999 gives 887 as remainder.

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 887999.

It is not an unprimeable number, because it can be changed into a prime (887989) 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 3 ways as a sum of consecutive naturals, for example, 63422 + ... + 63435.

It is an arithmetic number, because the mean of its divisors is an integer number (253716).

2⁸⁸⁷⁹⁹⁹ is an apocalyptic number.

887999 is a deficient number, since it is larger than the sum of its proper divisors (126865).

887999 is a wasteful number, since it uses less digits than its factorization.

887999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126864.

The product of its digits is 326592, while the sum is 50.

The square root of 887999 is about 942.3369885556. The cubic root of 887999 is about 96.1178745938.

The spelling of 887999 in words is "eight hundred eighty-seven thousand, nine hundred ninety-nine".