85685526 has 40 divisors (see below), whose sum is σ = 192639744. Its totient is φ = 28466640.

The previous prime is 85685521. The next prime is 85685543. The reversal of 85685526 is 62558658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85685521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61356 + ... + 62736.

Almost surely, 2^85685526 is an apocalyptic number.

85685526 is an abundant number, since it is smaller than the sum of its proper divisors (106954218).

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

85685526 is a wasteful number, since it uses less digits than its factorization.

85685526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1769 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 85685526 is about 9256.6476653268. The cubic root of 85685526 is about 440.8618198206.

The spelling of 85685526 in words is "eighty-five million, six hundred eighty-five thousand, five hundred twenty-six".