850053017 has 16 divisors (see below), whose sum is σ = 962945280. Its totient is φ = 743299200.

The previous prime is 850053007. The next prime is 850053019. The reversal of 850053017 is 710350058.

It is a cyclic number.

It is not a de Polignac number, because 850053017 - 2¹⁴ = 850036633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (850053019) 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, 81533 + ... + 91365.

It is an arithmetic number, because the mean of its divisors is an integer number (60184080).

Almost surely, 2^850053017 is an apocalyptic number.

It is an amenable number.

850053017 is a deficient number, since it is larger than the sum of its proper divisors (112892263).

850053017 is a wasteful number, since it uses less digits than its factorization.

850053017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 850053017 is about 29155.6686940979. The cubic root of 850053017 is about 947.2879314118.

The spelling of 850053017 in words is "eight hundred fifty million, fifty-three thousand, seventeen".