2768287 has 2 divisors, whose sum is σ = 2768288. Its totient is φ = 2768286.

The previous prime is 2768267. The next prime is 2768291. The reversal of 2768287 is 7828672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2768287 - 2¹⁵ = 2735519 is a prime.

2768287 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384143 + 1384144.

It is an arithmetic number, because the mean of its divisors is an integer number (1384144).

2^2768287 is an apocalyptic number.

2768287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768287 is an equidigital number, since it uses as much as digits as its factorization.

2768287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 2768287 is about 1663.8169971484. The cubic root of 2768287 is about 140.4118315638.

The spelling of 2768287 in words is "two million, seven hundred sixty-eight thousand, two hundred eighty-seven".