85050005 has 4 divisors (see below), whose sum is σ = 102060012. Its totient is φ = 68040000.

The previous prime is 85049971. The next prime is 85050083. The reversal of 85050005 is 50005058.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37246609 + 47803396 = 6103^2 + 6914^2 .

It is not a de Polignac number, because 85050005 - 2¹⁴ = 85033621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8504996 + ... + 8505005.

It is an arithmetic number, because the mean of its divisors is an integer number (25515003).

Almost surely, 2^85050005 is an apocalyptic number.

It is an amenable number.

85050005 is a deficient number, since it is larger than the sum of its proper divisors (17010007).

85050005 is a wasteful number, since it uses less digits than its factorization.

85050005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010006.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 85050005 is about 9222.2559604470. The cubic root of 85050005 is about 439.7691712813.

The spelling of 85050005 in words is "eighty-five million, fifty thousand, five".