82858049 has 2 divisors, whose sum is σ = 82858050. Its totient is φ = 82858048.

The previous prime is 82858043. The next prime is 82858057. The reversal of 82858049 is 94085828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 10608049 = 8500^2 + 3257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82858049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82858043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41429024 + 41429025.

It is an arithmetic number, because the mean of its divisors is an integer number (41429025).

Almost surely, 2^82858049 is an apocalyptic number.

It is an amenable number.

82858049 is a deficient number, since it is larger than the sum of its proper divisors (1).

82858049 is an equidigital number, since it uses as much as digits as its factorization.

82858049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 82858049 is about 9102.6396720951. The cubic root of 82858049 is about 435.9582504282.

The spelling of 82858049 in words is "eighty-two million, eight hundred fifty-eight thousand, forty-nine".