85000067 has 2 divisors, whose sum is σ = 85000068. Its totient is φ = 85000066.

The previous prime is 85000043. The next prime is 85000081. The reversal of 85000067 is 76000058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85000067 - 2¹⁴ = 84983683 is a prime.

It is a super-2 number, since 2×85000067² = 14450022780008978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42500033 + 42500034.

It is an arithmetic number, because the mean of its divisors is an integer number (42500034).

Almost surely, 2^85000067 is an apocalyptic number.

85000067 is a deficient number, since it is larger than the sum of its proper divisors (1).

85000067 is an equidigital number, since it uses as much as digits as its factorization.

85000067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 85000067 is about 9219.5480908773. The cubic root of 85000067 is about 439.6830827403.

Subtracting from 85000067 its reverse (76000058), we obtain a palindrome (9000009).

The spelling of 85000067 in words is "eighty-five million, sixty-seven", and thus it is an aban number and an uban number.