171785085010 has 128 divisors (see below), whose sum is σ = 390612616704. Its totient is φ = 52839720960.

The previous prime is 171785084987. The next prime is 171785085053. The reversal of 171785085010 is 10580587171.

171785085010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18245064 + ... + 18254476.

It is an arithmetic number, because the mean of its divisors is an integer number (3051661068).

Almost surely, 2^171785085010 is an apocalyptic number.

171785085010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171785085010 is an abundant number, since it is smaller than the sum of its proper divisors (218827531694).

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

171785085010 is a wasteful number, since it uses less digits than its factorization.

171785085010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748.

The product of its (nonzero) digits is 78400, while the sum is 43.

The spelling of 171785085010 in words is "one hundred seventy-one billion, seven hundred eighty-five million, eighty-five thousand, ten".