820058893 has 2 divisors, whose sum is σ = 820058894. Its totient is φ = 820058892.

The previous prime is 820058887. The next prime is 820058909. The reversal of 820058893 is 398850028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 689482564 + 130576329 = 26258^2 + 11427^2 .

It is a cyclic number.

It is not a de Polignac number, because 820058893 - 2⁹ = 820058381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (820058843) 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, 410029446 + 410029447.

It is an arithmetic number, because the mean of its divisors is an integer number (410029447).

Almost surely, 2^820058893 is an apocalyptic number.

It is an amenable number.

820058893 is a deficient number, since it is larger than the sum of its proper divisors (1).

820058893 is an equidigital number, since it uses as much as digits as its factorization.

820058893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 820058893 is about 28636.6704244750. The cubic root of 820058893 is about 936.0125696105.

The spelling of 820058893 in words is "eight hundred twenty million, fifty-eight thousand, eight hundred ninety-three".