85320636 has 12 divisors (see below), whose sum is σ = 199081512. Its totient is φ = 28440208.

The previous prime is 85320617. The next prime is 85320647. The reversal of 85320636 is 63602358.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×85320636² = 14559221854888992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85320597 and 85320606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555015 + ... + 3555038.

It is an arithmetic number, because the mean of its divisors is an integer number (16590126).

Almost surely, 2^85320636 is an apocalyptic number.

It is an amenable number.

85320636 is an abundant number, since it is smaller than the sum of its proper divisors (113760876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85320636 is a wasteful number, since it uses less digits than its factorization.

85320636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110060 (or 7110058 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 85320636 is about 9236.9170181398. The cubic root of 85320636 is about 440.2351291492.

The spelling of 85320636 in words is "eighty-five million, three hundred twenty thousand, six hundred thirty-six".