850204512 has 144 divisors (see below), whose sum is σ = 2588931072. Its totient is φ = 274181760.

The previous prime is 850204507. The next prime is 850204517. The reversal of 850204512 is 215402058.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (850204507) and next prime (850204517).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850204517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239293 + ... + 242819.

It is an arithmetic number, because the mean of its divisors is an integer number (17978688).

Almost surely, 2^850204512 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 850204512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294465536).

850204512 is an abundant number, since it is smaller than the sum of its proper divisors (1738726560).

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

850204512 is a wasteful number, since it uses less digits than its factorization.

850204512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 850204512 is about 29158.2666151471. The cubic root of 850204512 is about 947.3442027493.

The spelling of 850204512 in words is "eight hundred fifty million, two hundred four thousand, five hundred twelve".