85289212 has 12 divisors (see below), whose sum is σ = 149323216. Its totient is φ = 42625440.

The previous prime is 85289189. The next prime is 85289219. The reversal of 85289212 is 21298258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85289219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11008 + ... + 17080.

Almost surely, 2^85289212 is an apocalyptic number.

It is an amenable number.

85289212 is a deficient number, since it is larger than the sum of its proper divisors (64034004).

85289212 is a wasteful number, since it uses less digits than its factorization.

85289212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588 (or 9586 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 85289212 is about 9235.2158610397. The cubic root of 85289212 is about 440.1810756085.

The spelling of 85289212 in words is "eighty-five million, two hundred eighty-nine thousand, two hundred twelve".