850606634528 has 288 divisors, whose sum is σ = 2090819530800. Its totient is φ = 339618521088.

The previous prime is 850606634497. The next prime is 850606634539. The reversal of 850606634528 is 825436606058.

It can be written as a sum of positive squares in 8 ways, for example, as 245092324624 + 605514309904 = 495068^2 + 778148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 850606634528.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839690150 + ... + 839691162.

Almost surely, 2^850606634528 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 850606634528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045409765400).

850606634528 is an abundant number, since it is smaller than the sum of its proper divisors (1240212896272).

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

850606634528 is a wasteful number, since it uses less digits than its factorization.

850606634528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 850606634528 in words is "eight hundred fifty billion, six hundred six million, six hundred thirty-four thousand, five hundred twenty-eight".