850773029 has 4 divisors (see below), whose sum is σ = 880110060. Its totient is φ = 821436000.

The previous prime is 850773023. The next prime is 850773031. The reversal of 850773029 is 920377058.

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 284428225 + 566344804 = 16865^2 + 23798^2 .

It is a cyclic number.

It is not a de Polignac number, because 850773029 - 2¹⁶ = 850707493 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 (850773023) 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, 14668472 + ... + 14668529.

It is an arithmetic number, because the mean of its divisors is an integer number (220027515).

Almost surely, 2^850773029 is an apocalyptic number.

It is an amenable number.

850773029 is a deficient number, since it is larger than the sum of its proper divisors (29337031).

850773029 is a wasteful number, since it uses less digits than its factorization.

850773029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29337030.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 850773029 is about 29168.0137993659. The cubic root of 850773029 is about 947.5553132427. Note that the first 3 decimals are identical.

The spelling of 850773029 in words is "eight hundred fifty million, seven hundred seventy-three thousand, twenty-nine".