850505117 has 8 divisors (see below), whose sum is σ = 1060370112. Its totient is φ = 662731200.

The previous prime is 850505111. The next prime is 850505141. The reversal of 850505117 is 711505058.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 850505117 - 2¹² = 850501021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850505111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522684 + ... + 5522837.

It is an arithmetic number, because the mean of its divisors is an integer number (132546264).

Almost surely, 2^850505117 is an apocalyptic number.

It is an amenable number.

850505117 is a deficient number, since it is larger than the sum of its proper divisors (209864995).

850505117 is a wasteful number, since it uses less digits than its factorization.

850505117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045539.

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 850505117 is about 29163.4208727303. The cubic root of 850505117 is about 947.4558397512.

The spelling of 850505117 in words is "eight hundred fifty million, five hundred five thousand, one hundred seventeen".