85775328 has 48 divisors (see below), whose sum is σ = 250180560. Its totient is φ = 28591488.

The previous prime is 85775317. The next prime is 85775341. The reversal of 85775328 is 82357758.

85775328 is a `hidden beast` number, since 8 + 577 + 53 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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, 48775 + ... + 50502.

It is an arithmetic number, because the mean of its divisors is an integer number (5212095).

Almost surely, 2^85775328 is an apocalyptic number.

It is an amenable number.

85775328 is an abundant number, since it is smaller than the sum of its proper divisors (164405232).

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

85775328 is a wasteful number, since it uses less digits than its factorization.

85775328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99296 (or 99282 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 85775328 is about 9261.4970712083. The cubic root of 85775328 is about 441.0157798972.

The spelling of 85775328 in words is "eighty-five million, seven hundred seventy-five thousand, three hundred twenty-eight".