860087 has 2 divisors, whose sum is σ = 860088. Its totient is φ = 860086.

The previous prime is 860077. The next prime is 860089. The reversal of 860087 is 780068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860087 - 2⁴ = 860071 is a prime.

Together with 860089, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430043 + 430044.

It is an arithmetic number, because the mean of its divisors is an integer number (430044).

2⁸⁶⁰⁰⁸⁷ is an apocalyptic number.

860087 is a deficient number, since it is larger than the sum of its proper divisors (1).

860087 is an equidigital number, since it uses as much as digits as its factorization.

860087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 860087 is about 927.4087556197. The cubic root of 860087 is about 95.1000607768.

The spelling of 860087 in words is "eight hundred sixty thousand, eighty-seven".