850440207 has 8 divisors (see below), whose sum is σ = 1134203440. Its totient is φ = 566818560.

The previous prime is 850440193. The next prime is 850440229. The reversal of 850440207 is 702044058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 850440207 - 2⁴ = 850440191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850440257) 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 in 7 ways as a sum of consecutive naturals, for example, 20482 + ... + 46047.

It is an arithmetic number, because the mean of its divisors is an integer number (141775430).

Almost surely, 2^850440207 is an apocalyptic number.

850440207 is a deficient number, since it is larger than the sum of its proper divisors (283763233).

850440207 is a wasteful number, since it uses less digits than its factorization.

850440207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70793.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 850440207 is about 29162.3079847943. The cubic root of 850440207 is about 947.4317360658.

The spelling of 850440207 in words is "eight hundred fifty million, four hundred forty thousand, two hundred seven".