850452808 has 8 divisors (see below), whose sum is σ = 1594599030. Its totient is φ = 425226400.

The previous prime is 850452797. The next prime is 850452809. The reversal of 850452808 is 808254058.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 633126244 + 217326564 = 25162^2 + 14742^2 .

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 (850452809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53153293 + ... + 53153308.

Almost surely, 2^850452808 is an apocalyptic number.

It is an amenable number.

850452808 is a deficient number, since it is larger than the sum of its proper divisors (744146222).

850452808 is a wasteful number, since it uses less digits than its factorization.

850452808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106306607 (or 106306603 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 850452808 is about 29162.5240334234. The cubic root of 850452808 is about 947.4364154183.

The spelling of 850452808 in words is "eight hundred fifty million, four hundred fifty-two thousand, eight hundred eight".