863087 has 2 divisors, whose sum is σ = 863088. Its totient is φ = 863086.

The previous prime is 863081. The next prime is 863119. The reversal of 863087 is 780368.

It is an a-pointer prime, because the next prime (863119) can be obtained adding 863087 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 863087 - 2¹⁶ = 797551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863081) 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 as a sum of consecutive naturals, namely, 431543 + 431544.

It is an arithmetic number, because the mean of its divisors is an integer number (431544).

2⁸⁶³⁰⁸⁷ is an apocalyptic number.

863087 is a deficient number, since it is larger than the sum of its proper divisors (1).

863087 is an equidigital number, since it uses as much as digits as its factorization.

863087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 863087 is about 929.0247574742. The cubic root of 863087 is about 95.2105027487.

The spelling of 863087 in words is "eight hundred sixty-three thousand, eighty-seven".