84800800849 has 4 divisors (see below), whose sum is σ = 85077025264. Its totient is φ = 84524576436.

The previous prime is 84800800841. The next prime is 84800800879. The reversal of 84800800849 is 94800800848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84800800849 - 2³ = 84800800841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84800800841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138111747 + ... + 138112360.

It is an arithmetic number, because the mean of its divisors is an integer number (21269256316).

Almost surely, 2^84800800849 is an apocalyptic number.

It is an amenable number.

84800800849 is a deficient number, since it is larger than the sum of its proper divisors (276224415).

84800800849 is a wasteful number, since it uses less digits than its factorization.

84800800849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276224414.

The product of its (nonzero) digits is 589824, while the sum is 49.

Subtracting 84800800849 from its reverse (94800800848), we obtain a palindrome (9999999999).

The spelling of 84800800849 in words is "eighty-four billion, eight hundred million, eight hundred thousand, eight hundred forty-nine".