850864595100 has 144 divisors (see below), whose sum is σ = 2652036925440. Its totient is φ = 209378016000.

The previous prime is 850864594949. The next prime is 850864595149. The reversal of 850864595100 is 1595468058.

850864595100 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 13067625 + ... + 13132575.

Almost surely, 2^850864595100 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 850864595100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326018462720).

850864595100 is an abundant number, since it is smaller than the sum of its proper divisors (1801172330340).

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

850864595100 is a wasteful number, since it uses less digits than its factorization.

850864595100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68340 (or 68333 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The spelling of 850864595100 in words is "eight hundred fifty billion, eight hundred sixty-four million, five hundred ninety-five thousand, one hundred".