85499028 has 36 divisors (see below), whose sum is σ = 216509748. Its totient is φ = 28448640.

The previous prime is 85499009. The next prime is 85499033. The reversal of 85499028 is 82099458.

It can be written as a sum of positive squares in 2 ways, for example, as 48191364 + 37307664 = 6942^2 + 6108^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22000 + ... + 25592.

Almost surely, 2^85499028 is an apocalyptic number.

It is an amenable number.

85499028 is an abundant number, since it is smaller than the sum of its proper divisors (131010720).

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

85499028 is a wasteful number, since it uses less digits than its factorization.

85499028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 85499028 is about 9246.5684445636. The cubic root of 85499028 is about 440.5417363115.

The spelling of 85499028 in words is "eighty-five million, four hundred ninety-nine thousand, twenty-eight".