85805345513636 has 48 divisors (see below), whose sum is σ = 181706295609216. Its totient is φ = 34610396097024.

The previous prime is 85805345513627. The next prime is 85805345513639. The reversal of 85805345513636 is 63631554350858.

It is not an unprimeable number, because it can be changed into a prime (85805345513639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188174510 + ... + 188629946.

It is an arithmetic number, because the mean of its divisors is an integer number (3785547825192).

Almost surely, 2^{85805345513636} is an apocalyptic number.

It is an amenable number.

85805345513636 is an abundant number, since it is smaller than the sum of its proper divisors (95900950095580).

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

85805345513636 is a wasteful number, since it uses less digits than its factorization.

85805345513636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851268 (or 851266 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 62.

The spelling of 85805345513636 in words is "eighty-five trillion, eight hundred five billion, three hundred forty-five million, five hundred thirteen thousand, six hundred thirty-six".