850316819 has 4 divisors (see below), whose sum is σ = 927618360. Its totient is φ = 773015280.

The previous prime is 850316783. The next prime is 850316821. The reversal of 850316819 is 918613058.

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

It is a cyclic number.

It is not a de Polignac number, because 850316819 - 2⁸ = 850316563 is a prime.

It is a super-2 number, since 2×850316819² = 1446077385348557522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850319819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38650754 + ... + 38650775.

It is an arithmetic number, because the mean of its divisors is an integer number (231904590).

Almost surely, 2^850316819 is an apocalyptic number.

850316819 is a deficient number, since it is larger than the sum of its proper divisors (77301541).

850316819 is a wasteful number, since it uses less digits than its factorization.

850316819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77301540.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 850316819 is about 29160.1923690500. The cubic root of 850316819 is about 947.3859137728.

The spelling of 850316819 in words is "eight hundred fifty million, three hundred sixteen thousand, eight hundred nineteen".