850706643 has 8 divisors (see below), whose sum is σ = 1136116368. Its totient is φ = 566217344.

The previous prime is 850706641. The next prime is 850706683. The reversal of 850706643 is 346607058.

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 850706643 - 2¹ = 850706641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850706641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227946 + ... + 231647.

It is an arithmetic number, because the mean of its divisors is an integer number (142014546).

Almost surely, 2^850706643 is an apocalyptic number.

850706643 is a deficient number, since it is larger than the sum of its proper divisors (285409725).

850706643 is a wasteful number, since it uses less digits than its factorization.

850706643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460213.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 850706643 is about 29166.8757840122. The cubic root of 850706643 is about 947.5306666209.

The spelling of 850706643 in words is "eight hundred fifty million, seven hundred six thousand, six hundred forty-three".