805787116843 has 4 divisors (see below), whose sum is σ = 808095962800. Its totient is φ = 803478270888.

The previous prime is 805787116829. The next prime is 805787116867. The reversal of 805787116843 is 348611787508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 805787116843 - 2²¹ = 805785019691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805787156843) 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, 1154422455 + ... + 1154423152.

It is an arithmetic number, because the mean of its divisors is an integer number (202023990700).

Almost surely, 2^805787116843 is an apocalyptic number.

805787116843 is a deficient number, since it is larger than the sum of its proper divisors (2308845957).

805787116843 is a wasteful number, since it uses less digits than its factorization.

805787116843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308845956.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 805787116843 in words is "eight hundred five billion, seven hundred eighty-seven million, one hundred sixteen thousand, eight hundred forty-three".