85775312 has 20 divisors (see below), whose sum is σ = 189931296. Its totient is φ = 36760800.

The previous prime is 85775311. The next prime is 85775317. The reversal of 85775312 is 21357758.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85775311) 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, 382814 + ... + 383037.

Almost surely, 2^85775312 is an apocalyptic number.

It is an amenable number.

85775312 is an abundant number, since it is smaller than the sum of its proper divisors (104155984).

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

85775312 is a wasteful number, since it uses less digits than its factorization.

85775312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765866 (or 765860 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 85775312 is about 9261.4962074170. The cubic root of 85775312 is about 441.0157524757.

The spelling of 85775312 in words is "eighty-five million, seven hundred seventy-five thousand, three hundred twelve".