85327129 has 2 divisors, whose sum is σ = 85327130. Its totient is φ = 85327128.

The previous prime is 85327111. The next prime is 85327153. The reversal of 85327129 is 92172358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 1054729 = 9180^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 85327129 - 2¹¹ = 85325081 is a prime.

It is not a weakly prime, because it can be changed into another prime (85321129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42663564 + 42663565.

It is an arithmetic number, because the mean of its divisors is an integer number (42663565).

Almost surely, 2^85327129 is an apocalyptic number.

It is an amenable number.

85327129 is a deficient number, since it is larger than the sum of its proper divisors (1).

85327129 is an equidigital number, since it uses as much as digits as its factorization.

85327129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 85327129 is about 9237.2684815372. The cubic root of 85327129 is about 440.2462963350.

The spelling of 85327129 in words is "eighty-five million, three hundred twenty-seven thousand, one hundred twenty-nine".