2788087 has 8 divisors (see below), whose sum is σ = 2874816. Its totient is φ = 2702592.

The previous prime is 2788081. The next prime is 2788091. The reversal of 2788087 is 7808872.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788087 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 (2788081) 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, 6223 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (359352).

2^2788087 is an apocalyptic number.

2788087 is a deficient number, since it is larger than the sum of its proper divisors (86729).

2788087 is a wasteful number, since it uses less digits than its factorization.

2788087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

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

The square root of 2788087 is about 1669.7565690842. The cubic root of 2788087 is about 140.7457988854.

The spelling of 2788087 in words is "two million, seven hundred eighty-eight thousand, eighty-seven".