850735872 has 180 divisors, whose sum is σ = 2899626576. Its totient is φ = 243025920.

The previous prime is 850735843. The next prime is 850735933. The reversal of 850735872 is 278537058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142222 + ... + 148082.

Almost surely, 2^850735872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850735872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449813288).

850735872 is an abundant number, since it is smaller than the sum of its proper divisors (2048890704).

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

850735872 is an equidigital number, since it uses as much as digits as its factorization.

850735872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5873 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 850735872 is about 29167.3768446873. The cubic root of 850735872 is about 947.5415184059.

The spelling of 850735872 in words is "eight hundred fifty million, seven hundred thirty-five thousand, eight hundred seventy-two".