850353353872 has 20 divisors (see below), whose sum is σ = 1797337771056. Its totient is φ = 386524251680.

The previous prime is 850353353869. The next prime is 850353353879. The reversal of 850353353872 is 278353353058.

It is not an unprimeable number, because it can be changed into a prime (850353353879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415776398 + ... + 2415776749.

Almost surely, 2^850353353872 is an apocalyptic number.

It is an amenable number.

850353353872 is an abundant number, since it is smaller than the sum of its proper divisors (946984417184).

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

850353353872 is a wasteful number, since it uses less digits than its factorization.

850353353872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831553166 (or 4831553160 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 850353353872 in words is "eight hundred fifty billion, three hundred fifty-three million, three hundred fifty-three thousand, eight hundred seventy-two".