84827 has 2 divisors, whose sum is σ = 84828. Its totient is φ = 84826.

The previous prime is 84811. The next prime is 84857. The reversal of 84827 is 72848.

84827 is nontrivially palindromic in base 13.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84827 - 2⁴ = 84811 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84827.

It is not a weakly prime, because it can be changed into another prime (84857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42413 + 42414.

It is an arithmetic number, because the mean of its divisors is an integer number (42414).

2⁸⁴⁸²⁷ is an apocalyptic number.

84827 is a deficient number, since it is larger than the sum of its proper divisors (1).

84827 is an equidigital number, since it uses as much as digits as its factorization.

84827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

The square root of 84827 is about 291.2507510720. The cubic root of 84827 is about 43.9384469895.

The spelling of 84827 in words is "eighty-four thousand, eight hundred twenty-seven".