85909528 has 16 divisors (see below), whose sum is σ = 164827080. Its totient is φ = 41955648.

The previous prime is 85909459. The next prime is 85909541. The reversal of 85909528 is 82590958.

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 3 ways as a sum of consecutive naturals, for example, 124525 + ... + 125212.

Almost surely, 2^85909528 is an apocalyptic number.

It is an amenable number.

85909528 is a deficient number, since it is larger than the sum of its proper divisors (78917552).

85909528 is a wasteful number, since it uses less digits than its factorization.

85909528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249786 (or 249782 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 85909528 is about 9268.7392885980. The cubic root of 85909528 is about 441.2456574940.

The spelling of 85909528 in words is "eighty-five million, nine hundred nine thousand, five hundred twenty-eight".