85805526 has 8 divisors (see below), whose sum is σ = 171611064. Its totient is φ = 28601840.

The previous prime is 85805513. The next prime is 85805527. The reversal of 85805526 is 62550858.

It is a sphenic number, since it is the product of 3 distinct primes.

85805526 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85805527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7150455 + ... + 7150466.

It is an arithmetic number, because the mean of its divisors is an integer number (21451383).

Almost surely, 2^85805526 is an apocalyptic number.

85805526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85805526 is a wasteful number, since it uses less digits than its factorization.

85805526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14300926.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 85805526 is about 9263.1272257267. The cubic root of 85805526 is about 441.0675283904.

The spelling of 85805526 in words is "eighty-five million, eight hundred five thousand, five hundred twenty-six".