809894586814 has 8 divisors (see below), whose sum is σ = 1214853086448. Its totient is φ = 404943558000.

The previous prime is 809894586811. The next prime is 809894586857. The reversal of 809894586814 is 418685498908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809894586811) 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 3 ways as a sum of consecutive naturals, for example, 1588327 + ... + 2035330.

It is an arithmetic number, because the mean of its divisors is an integer number (151856635806).

Almost surely, 2^809894586814 is an apocalyptic number.

809894586814 is a deficient number, since it is larger than the sum of its proper divisors (404958499634).

809894586814 is a wasteful number, since it uses less digits than its factorization.

809894586814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735410.

The product of its (nonzero) digits is 159252480, while the sum is 70.

The spelling of 809894586814 in words is "eight hundred nine billion, eight hundred ninety-four million, five hundred eighty-six thousand, eight hundred fourteen".