850221063 has 32 divisors (see below), whose sum is σ = 1329843200. Its totient is φ = 536864760.

The previous prime is 850221061. The next prime is 850221077. The reversal of 850221063 is 360122058.

It is not a de Polignac number, because 850221063 - 2¹ = 850221061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850221061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182898 + ... + 187488.

It is an arithmetic number, because the mean of its divisors is an integer number (41557600).

Almost surely, 2^850221063 is an apocalyptic number.

850221063 is a deficient number, since it is larger than the sum of its proper divisors (479622137).

850221063 is an equidigital number, since it uses as much as digits as its factorization.

850221063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 850221063 is about 29158.5504269331. The cubic root of 850221063 is about 947.3503500515.

The spelling of 850221063 in words is "eight hundred fifty million, two hundred twenty-one thousand, sixty-three".