860887 has 2 divisors, whose sum is σ = 860888. Its totient is φ = 860886.

The previous prime is 860861. The next prime is 860891. The reversal of 860887 is 788068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860887 - 2⁷ = 860759 is a prime.

It is a super-2 number, since 2×860887² = 1482252853538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430443 + 430444.

It is an arithmetic number, because the mean of its divisors is an integer number (430444).

2⁸⁶⁰⁸⁸⁷ is an apocalyptic number.

860887 is a deficient number, since it is larger than the sum of its proper divisors (1).

860887 is an equidigital number, since it uses as much as digits as its factorization.

860887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 860887 is about 927.8399646491. The cubic root of 860887 is about 95.1295370478.

The spelling of 860887 in words is "eight hundred sixty thousand, eight hundred eighty-seven".