86047873 has 2 divisors, whose sum is σ = 86047874. Its totient is φ = 86047872.

The previous prime is 86047831. The next prime is 86047891. The reversal of 86047873 is 37874068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84492864 + 1555009 = 9192^2 + 1247^2 .

It is a cyclic number.

It is not a de Polignac number, because 86047873 - 2¹⁷ = 85916801 is a prime.

It is not a weakly prime, because it can be changed into another prime (86044873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43023936 + 43023937.

It is an arithmetic number, because the mean of its divisors is an integer number (43023937).

Almost surely, 2^86047873 is an apocalyptic number.

It is an amenable number.

86047873 is a deficient number, since it is larger than the sum of its proper divisors (1).

86047873 is an equidigital number, since it uses as much as digits as its factorization.

86047873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 86047873 is about 9276.1992755654. The cubic root of 86047873 is about 441.4823847953.

The spelling of 86047873 in words is "eighty-six million, forty-seven thousand, eight hundred seventy-three".