84844821400 has 48 divisors (see below), whose sum is σ = 199480703400. Its totient is φ = 33556596480.

The previous prime is 84844821389. The next prime is 84844821403. The reversal of 84844821400 is 412844848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84844821403) 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 11 ways as a sum of consecutive naturals, for example, 2365482 + ... + 2401081.

Almost surely, 2^84844821400 is an apocalyptic number.

It is an amenable number.

84844821400 is an abundant number, since it is smaller than the sum of its proper divisors (114635882000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84844821400 is a wasteful number, since it uses less digits than its factorization.

84844821400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766668 (or 4766659 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 43.

The spelling of 84844821400 in words is "eighty-four billion, eight hundred forty-four million, eight hundred twenty-one thousand, four hundred".