850864607 has 4 divisors (see below), whose sum is σ = 870652200. Its totient is φ = 831077016.

The previous prime is 850864601. The next prime is 850864613. The reversal of 850864607 is 706468058.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (850864601) and next prime (850864613).

It is a cyclic number.

It is not a de Polignac number, because 850864607 - 2¹² = 850860511 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 (850864601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9893732 + ... + 9893817.

It is an arithmetic number, because the mean of its divisors is an integer number (217663050).

Almost surely, 2^850864607 is an apocalyptic number.

850864607 is a deficient number, since it is larger than the sum of its proper divisors (19787593).

850864607 is a wasteful number, since it uses less digits than its factorization.

850864607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19787592.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 850864607 is about 29169.5835931883. The cubic root of 850864607 is about 947.5893106013.

The spelling of 850864607 in words is "eight hundred fifty million, eight hundred sixty-four thousand, six hundred seven".