85220588 has 12 divisors (see below), whose sum is σ = 152309472. Its totient is φ = 41703600.

The previous prime is 85220587. The next prime is 85220593. The reversal of 85220588 is 88502258.

It is not an unprimeable number, because it can be changed into a prime (85220587) 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 3 ways as a sum of consecutive naturals, for example, 226463 + ... + 226838.

It is an arithmetic number, because the mean of its divisors is an integer number (12692456).

Almost surely, 2^85220588 is an apocalyptic number.

It is an amenable number.

85220588 is a deficient number, since it is larger than the sum of its proper divisors (67088884).

85220588 is a wasteful number, since it uses less digits than its factorization.

85220588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453352 (or 453350 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 85220588 is about 9231.4997698099. The cubic root of 85220588 is about 440.0629868506.

The spelling of 85220588 in words is "eighty-five million, two hundred twenty thousand, five hundred eighty-eight".