850170961 has 8 divisors (see below), whose sum is σ = 866458944. Its totient is φ = 834037680.

The previous prime is 850170947. The next prime is 850170967. The reversal of 850170961 is 169071058.

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 850170961 - 2⁹ = 850170449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 850170961.

It is not an unprimeable number, because it can be changed into a prime (850170967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27550 + ... + 49591.

It is an arithmetic number, because the mean of its divisors is an integer number (108307368).

Almost surely, 2^850170961 is an apocalyptic number.

It is an amenable number.

850170961 is a deficient number, since it is larger than the sum of its proper divisors (16287983).

850170961 is a wasteful number, since it uses less digits than its factorization.

850170961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77351.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 850170961 is about 29157.6912837762. The cubic root of 850170961 is about 947.3317411345.

The spelling of 850170961 in words is "eight hundred fifty million, one hundred seventy thousand, nine hundred sixty-one".