85530828 has 24 divisors (see below), whose sum is σ = 204966832. Its totient is φ = 27739584.

The previous prime is 85530811. The next prime is 85530839. The reversal of 85530828 is 82803558.

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 7 ways as a sum of consecutive naturals, for example, 95875 + ... + 96762.

Almost surely, 2^85530828 is an apocalyptic number.

It is an amenable number.

85530828 is an abundant number, since it is smaller than the sum of its proper divisors (119436004).

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

85530828 is a wasteful number, since it uses less digits than its factorization.

85530828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192681 (or 192679 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 85530828 is about 9248.2878415413. The cubic root of 85530828 is about 440.5963470327.

The spelling of 85530828 in words is "eighty-five million, five hundred thirty thousand, eight hundred twenty-eight".