806142873 has 8 divisors (see below), whose sum is σ = 1138084128. Its totient is φ = 505815104.

The previous prime is 806142859. The next prime is 806142917. The reversal of 806142873 is 378241608.

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 806142873 - 2⁶ = 806142809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (806142853) 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, 7903311 + ... + 7903412.

It is an arithmetic number, because the mean of its divisors is an integer number (142260516).

Almost surely, 2^806142873 is an apocalyptic number.

It is an amenable number.

806142873 is a deficient number, since it is larger than the sum of its proper divisors (331941255).

806142873 is a wasteful number, since it uses less digits than its factorization.

806142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806743.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 806142873 is about 28392.6552650505. The cubic root of 806142873 is about 930.6877685025.

The spelling of 806142873 in words is "eight hundred six million, one hundred forty-two thousand, eight hundred seventy-three".