809494075 has 24 divisors (see below), whose sum is σ = 1096242336. Its totient is φ = 589344000.

The previous prime is 809494057. The next prime is 809494111. The reversal of 809494075 is 570494908.

It is not a de Polignac number, because 809494075 - 2¹¹ = 809492027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5535 + ... + 40615.

It is an arithmetic number, because the mean of its divisors is an integer number (45676764).

Almost surely, 2^809494075 is an apocalyptic number.

809494075 is a deficient number, since it is larger than the sum of its proper divisors (286748261).

809494075 is a wasteful number, since it uses less digits than its factorization.

809494075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35175 (or 35170 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 809494075 is about 28451.6093569415. The cubic root of 809494075 is about 931.9756340066.

The spelling of 809494075 in words is "eight hundred nine million, four hundred ninety-four thousand, seventy-five".