85234673 has 2 divisors, whose sum is σ = 85234674. Its totient is φ = 85234672.

The previous prime is 85234571. The next prime is 85234679. The reversal of 85234673 is 37643258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 10705984 = 8633^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 85234673 - 2¹⁶ = 85169137 is a prime.

It is not a weakly prime, because it can be changed into another prime (85234679) 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, 42617336 + 42617337.

It is an arithmetic number, because the mean of its divisors is an integer number (42617337).

Almost surely, 2^85234673 is an apocalyptic number.

It is an amenable number.

85234673 is a deficient number, since it is larger than the sum of its proper divisors (1).

85234673 is an equidigital number, since it uses as much as digits as its factorization.

85234673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 85234673 is about 9232.2626154156. The cubic root of 85234673 is about 440.0872296065.

The spelling of 85234673 in words is "eighty-five million, two hundred thirty-four thousand, six hundred seventy-three".