82387 has 2 divisors, whose sum is σ = 82388. Its totient is φ = 82386.

The previous prime is 82373. The next prime is 82393. The reversal of 82387 is 78328.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82387 is a prime.

It is not a weakly prime, because it can be changed into another prime (82307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41193 + 41194.

It is an arithmetic number, because the mean of its divisors is an integer number (41194).

2⁸²³⁸⁷ is an apocalyptic number.

82387 is a deficient number, since it is larger than the sum of its proper divisors (1).

82387 is an equidigital number, since it uses as much as digits as its factorization.

82387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 82387 is about 287.0313571720. The cubic root of 82387 is about 43.5130537298.

The spelling of 82387 in words is "eighty-two thousand, three hundred eighty-seven".