85289208 has 32 divisors (see below), whose sum is σ = 217762560. Its totient is φ = 27824480.

The previous prime is 85289189. The next prime is 85289219. The reversal of 85289208 is 80298258.

It is a self number, because there is not a number n which added to its sum of digits gives 85289208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36678 + ... + 38933.

It is an arithmetic number, because the mean of its divisors is an integer number (6805080).

Almost surely, 2^85289208 is an apocalyptic number.

It is an amenable number.

85289208 is an abundant number, since it is smaller than the sum of its proper divisors (132473352).

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

85289208 is a wasteful number, since it uses less digits than its factorization.

85289208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75667 (or 75663 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 85289208 is about 9235.2156444774. The cubic root of 85289208 is about 440.1810687271.

The spelling of 85289208 in words is "eighty-five million, two hundred eighty-nine thousand, two hundred eight".