85528305 has 40 divisors (see below), whose sum is σ = 154167552. Its totient is φ = 45362592.

The previous prime is 85528243. The next prime is 85528307. The reversal of 85528305 is 50382558.

It is not a de Polignac number, because 85528305 - 2¹¹ = 85526257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85528305.

It is not an unprimeable number, because it can be changed into a prime (85528307) 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 39 ways as a sum of consecutive naturals, for example, 89842 + ... + 90788.

Almost surely, 2^85528305 is an apocalyptic number.

It is an amenable number.

85528305 is a deficient number, since it is larger than the sum of its proper divisors (68639247).

85528305 is a wasteful number, since it uses less digits than its factorization.

85528305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 85528305 is about 9248.1514369089. The cubic root of 85528305 is about 440.5920147331.

The spelling of 85528305 in words is "eighty-five million, five hundred twenty-eight thousand, three hundred five".