85393069 has 2 divisors, whose sum is σ = 85393070. Its totient is φ = 85393068.

The previous prime is 85393051. The next prime is 85393073. The reversal of 85393069 is 96039358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 17330569 = 8250^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 85393069 - 2⁹ = 85392557 is a prime.

It is a super-2 number, since 2×85393069² = 14583952466477522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85393019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42696534 + 42696535.

It is an arithmetic number, because the mean of its divisors is an integer number (42696535).

Almost surely, 2^85393069 is an apocalyptic number.

It is an amenable number.

85393069 is a deficient number, since it is larger than the sum of its proper divisors (1).

85393069 is an equidigital number, since it uses as much as digits as its factorization.

85393069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 85393069 is about 9240.8370291873. The cubic root of 85393069 is about 440.3596731955.

The spelling of 85393069 in words is "eighty-five million, three hundred ninety-three thousand, sixty-nine".