850044091 has 8 divisors (see below), whose sum is σ = 916801760. Its totient is φ = 783482112.

The previous prime is 850044067. The next prime is 850044109. The reversal of 850044091 is 190440058.

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 850044091 - 2¹¹ = 850042043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850044061) 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, 39831 + ... + 57328.

It is an arithmetic number, because the mean of its divisors is an integer number (114600220).

Almost surely, 2^850044091 is an apocalyptic number.

850044091 is a deficient number, since it is larger than the sum of its proper divisors (66757669).

850044091 is a wasteful number, since it uses less digits than its factorization.

850044091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97845.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 850044091 is about 29155.5156188327. The cubic root of 850044091 is about 947.2846157278.

The spelling of 850044091 in words is "eight hundred fifty million, forty-four thousand, ninety-one".