850470815 has 8 divisors (see below), whose sum is σ = 1080598320. Its totient is φ = 640354432.

The previous prime is 850470769. The next prime is 850470821. The reversal of 850470815 is 518074058.

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

It is a cyclic number.

It is not a de Polignac number, because 850470815 - 2¹⁰ = 850469791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002685 + ... + 5002854.

It is an arithmetic number, because the mean of its divisors is an integer number (135074790).

Almost surely, 2^850470815 is an apocalyptic number.

850470815 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

850470815 is a deficient number, since it is larger than the sum of its proper divisors (230127505).

850470815 is a wasteful number, since it uses less digits than its factorization.

850470815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005561.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 850470815 is about 29162.8327670684. The cubic root of 850470815 is about 947.4431021962.

The spelling of 850470815 in words is "eight hundred fifty million, four hundred seventy thousand, eight hundred fifteen".