850643910228 has 96 divisors (see below), whose sum is σ = 2367403315200. Its totient is φ = 232435399680.

The previous prime is 850643910211. The next prime is 850643910329. The reversal of 850643910228 is 822019346058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12715908 + ... + 12782628.

It is an arithmetic number, because the mean of its divisors is an integer number (24660451200).

Almost surely, 2^850643910228 is an apocalyptic number.

It is an amenable number.

850643910228 is an abundant number, since it is smaller than the sum of its proper divisors (1516759404972).

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

850643910228 is a wasteful number, since it uses less digits than its factorization.

850643910228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73357 (or 73355 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 850643910228 in words is "eight hundred fifty billion, six hundred forty-three million, nine hundred ten thousand, two hundred twenty-eight".