850006815 has 16 divisors (see below), whose sum is σ = 1554298368. Its totient is φ = 388574496.

The previous prime is 850006799. The next prime is 850006867. The reversal of 850006815 is 518600058.

850006815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 850006815 - 2⁴ = 850006799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4047547 + ... + 4047756.

It is an arithmetic number, because the mean of its divisors is an integer number (97143648).

Almost surely, 2^850006815 is an apocalyptic number.

850006815 is a deficient number, since it is larger than the sum of its proper divisors (704291553).

850006815 is a wasteful number, since it uses less digits than its factorization.

850006815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095318.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 850006815 is about 29154.8763502780. The cubic root of 850006815 is about 947.2707687999.

The spelling of 850006815 in words is "eight hundred fifty million, six thousand, eight hundred fifteen".