850320629 has 4 divisors (see below), whose sum is σ = 879642060. Its totient is φ = 820999200.

The previous prime is 850320619. The next prime is 850320677. The reversal of 850320629 is 926023058.

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

It can be written as a sum of positive squares in 2 ways, for example, as 386908900 + 463411729 = 19670^2 + 21527^2 .

It is a cyclic number.

It is not a de Polignac number, because 850320629 - 2¹⁶ = 850255093 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 (850320619) 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, 14660672 + ... + 14660729.

It is an arithmetic number, because the mean of its divisors is an integer number (219910515).

Almost surely, 2^850320629 is an apocalyptic number.

It is an amenable number.

850320629 is a deficient number, since it is larger than the sum of its proper divisors (29321431).

850320629 is a wasteful number, since it uses less digits than its factorization.

850320629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29321430.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 850320629 is about 29160.2576977639. The cubic root of 850320629 is about 947.3873287493.

The spelling of 850320629 in words is "eight hundred fifty million, three hundred twenty thousand, six hundred twenty-nine".