85051085 has 32 divisors (see below), whose sum is σ = 124250112. Its totient is φ = 54558720.

The previous prime is 85051081. The next prime is 85051091. The reversal of 85051085 is 58015058.

It is not a de Polignac number, because 85051085 - 2² = 85051081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85051081) 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 in 31 ways as a sum of consecutive naturals, for example, 132365 + ... + 133005.

It is an arithmetic number, because the mean of its divisors is an integer number (3882816).

Almost surely, 2^85051085 is an apocalyptic number.

85051085 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85051085 is a deficient number, since it is larger than the sum of its proper divisors (39199027).

85051085 is a wasteful number, since it uses less digits than its factorization.

85051085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 85051085 is about 9222.3145142638. The cubic root of 85051085 is about 439.7710327301.

The spelling of 85051085 in words is "eighty-five million, fifty-one thousand, eighty-five".