82858823 has 2 divisors, whose sum is σ = 82858824. Its totient is φ = 82858822.

The previous prime is 82858819. The next prime is 82858849. The reversal of 82858823 is 32885828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82858823 - 2² = 82858819 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82858883) 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, 41429411 + 41429412.

It is an arithmetic number, because the mean of its divisors is an integer number (41429412).

Almost surely, 2^82858823 is an apocalyptic number.

82858823 is a deficient number, since it is larger than the sum of its proper divisors (1).

82858823 is an equidigital number, since it uses as much as digits as its factorization.

82858823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 44.

The square root of 82858823 is about 9102.6821871358. The cubic root of 82858823 is about 435.9596078929.

The spelling of 82858823 in words is "eighty-two million, eight hundred fifty-eight thousand, eight hundred twenty-three".