850471144 has 8 divisors (see below), whose sum is σ = 1594633410. Its totient is φ = 425235568.

The previous prime is 850471129. The next prime is 850471147. The reversal of 850471144 is 441174058.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 583802244 + 266668900 = 24162^2 + 16330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (850471147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53154439 + ... + 53154454.

Almost surely, 2^850471144 is an apocalyptic number.

It is an amenable number.

850471144 is a deficient number, since it is larger than the sum of its proper divisors (744162266).

850471144 is a wasteful number, since it uses less digits than its factorization.

850471144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106308899 (or 106308895 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 850471144 is about 29162.8384078093. The cubic root of 850471144 is about 947.4432243672.

The spelling of 850471144 in words is "eight hundred fifty million, four hundred seventy-one thousand, one hundred forty-four".