850857573 has 8 divisors (see below), whose sum is σ = 1134654048. Its totient is φ = 567149744.

The previous prime is 850857541. The next prime is 850857583. The reversal of 850857573 is 375758058.

It is a happy number.

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 850857573 - 2⁵ = 850857541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850857523) 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, 4990 + ... + 41552.

It is an arithmetic number, because the mean of its divisors is an integer number (141831756).

Almost surely, 2^850857573 is an apocalyptic number.

It is an amenable number.

850857573 is a deficient number, since it is larger than the sum of its proper divisors (283796475).

850857573 is a wasteful number, since it uses less digits than its factorization.

850857573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44323.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The square root of 850857573 is about 29169.4630221401. The cubic root of 850857573 is about 947.5866993901.

The spelling of 850857573 in words is "eight hundred fifty million, eight hundred fifty-seven thousand, five hundred seventy-three".