85085167 has 2 divisors, whose sum is σ = 85085168. Its totient is φ = 85085166.

The previous prime is 85085137. The next prime is 85085171. The reversal of 85085167 is 76158058.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85085167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85085137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42542583 + 42542584.

It is an arithmetic number, because the mean of its divisors is an integer number (42542584).

Almost surely, 2^85085167 is an apocalyptic number.

85085167 is a deficient number, since it is larger than the sum of its proper divisors (1).

85085167 is an equidigital number, since it uses as much as digits as its factorization.

85085167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 85085167 is about 9224.1621299715. The cubic root of 85085167 is about 439.8297671356.

The spelling of 85085167 in words is "eighty-five million, eighty-five thousand, one hundred sixty-seven".