806278170009 has 16 divisors (see below), whose sum is σ = 1170740995200. Its totient is φ = 490596222336.

The previous prime is 806278169989. The next prime is 806278170013. The reversal of 806278170009 is 900071872608.

It is not a de Polignac number, because 806278170009 - 2⁷ = 806278169881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806278170009.

It is not an unprimeable number, because it can be changed into a prime (806278170809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116141469 + ... + 116148410.

It is an arithmetic number, because the mean of its divisors is an integer number (73171312200).

Almost surely, 2^806278170009 is an apocalyptic number.

806278170009 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

806278170009 is a deficient number, since it is larger than the sum of its proper divisors (364462825191).

806278170009 is a wasteful number, since it uses less digits than its factorization.

806278170009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232289984.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 806278170009 in words is "eight hundred six billion, two hundred seventy-eight million, one hundred seventy thousand, nine".