2087887 has 4 divisors (see below), whose sum is σ = 2091880. Its totient is φ = 2083896.

The previous prime is 2087879. The next prime is 2087903. The reversal of 2087887 is 7887802.

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 2087887 - 2³ = 2087879 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 (2087807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (522970).

2^2087887 is an apocalyptic number.

2087887 is a deficient number, since it is larger than the sum of its proper divisors (3993).

2087887 is an equidigital number, since it uses as much as digits as its factorization.

2087887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 2087887 is about 1444.9522483459. The cubic root of 2087887 is about 127.8112248225.

The spelling of 2087887 in words is "two million, eighty-seven thousand, eight hundred eighty-seven".