850091845 has 8 divisors (see below), whose sum is σ = 1064462976. Its totient is φ = 650504976.

The previous prime is 850091843. The next prime is 850091873. The reversal of 850091845 is 548190058.

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 850091845 - 2¹ = 850091843 is a prime.

It is a super-2 number, since 2×850091845² = 1445312289871008050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850091798 and 850091807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850091843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3695937 + ... + 3696166.

It is an arithmetic number, because the mean of its divisors is an integer number (133057872).

Almost surely, 2^850091845 is an apocalyptic number.

It is an amenable number.

850091845 is a deficient number, since it is larger than the sum of its proper divisors (214371131).

850091845 is a wasteful number, since it uses less digits than its factorization.

850091845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392131.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 850091845 is about 29156.3345604347. The cubic root of 850091845 is about 947.3023543302.

The spelling of 850091845 in words is "eight hundred fifty million, ninety-one thousand, eight hundred forty-five".