2078587 has 4 divisors (see below), whose sum is σ = 2375536. Its totient is φ = 1781640.

The previous prime is 2078551. The next prime is 2078591. The reversal of 2078587 is 7858702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7858702 = 2 ⋅3929351.

It is not a de Polignac number, because 2078587 - 2¹¹ = 2076539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078507) 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, 148464 + ... + 148477.

It is an arithmetic number, because the mean of its divisors is an integer number (593884).

2^2078587 is an apocalyptic number.

2078587 is a deficient number, since it is larger than the sum of its proper divisors (296949).

2078587 is an equidigital number, since it uses as much as digits as its factorization.

2078587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296948.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2078587 is about 1441.7305573511. The cubic root of 2078587 is about 127.6211740493.

The spelling of 2078587 in words is "two million, seventy-eight thousand, five hundred eighty-seven".