805214067839 has 8 divisors (see below), whose sum is σ = 859531697280. Its totient is φ = 752090232600.

The previous prime is 805214067809. The next prime is 805214067841. The reversal of 805214067839 is 938760412508.

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 805214067839 - 2²⁰ = 805213019263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805214067809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298447157 + ... + 298449854.

It is an arithmetic number, because the mean of its divisors is an integer number (107441462160).

It is a 1-persistent number, because it is pandigital, but 2⋅805214067839 = 1610428135678 is not.

Almost surely, 2^805214067839 is an apocalyptic number.

805214067839 is a deficient number, since it is larger than the sum of its proper divisors (54317629441).

805214067839 is a wasteful number, since it uses less digits than its factorization.

805214067839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596897101.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 805214067839 in words is "eight hundred five billion, two hundred fourteen million, sixty-seven thousand, eight hundred thirty-nine".