2078287 has 2 divisors, whose sum is σ = 2078288. Its totient is φ = 2078286.

The previous prime is 2078243. The next prime is 2078309. The reversal of 2078287 is 7828702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2078287 - 2⁷ = 2078159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2078207) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039143 + 1039144.

It is an arithmetic number, because the mean of its divisors is an integer number (1039144).

2^2078287 is an apocalyptic number.

2078287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078287 is an equidigital number, since it uses as much as digits as its factorization.

2078287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2078287 is about 1441.6265119649. The cubic root of 2078287 is about 127.6150339496.

The spelling of 2078287 in words is "two million, seventy-eight thousand, two hundred eighty-seven".