85625505 has 40 divisors (see below), whose sum is σ = 175424832. Its totient is φ = 39141792.

The previous prime is 85625497. The next prime is 85625509. The reversal of 85625505 is 50552658.

It is not a de Polignac number, because 85625505 - 2³ = 85625497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85625505.

It is not an unprimeable number, because it can be changed into a prime (85625509) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 12267 + ... + 17936.

Almost surely, 2^85625505 is an apocalyptic number.

It is an amenable number.

85625505 is an abundant number, since it is smaller than the sum of its proper divisors (89799327).

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

85625505 is a wasteful number, since it uses less digits than its factorization.

85625505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30227 (or 30218 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 85625505 is about 9253.4050489536. The cubic root of 85625505 is about 440.7588574753.

The spelling of 85625505 in words is "eighty-five million, six hundred twenty-five thousand, five hundred five".