4221877487420 has 12 divisors (see below), whose sum is σ = 8865942723624. Its totient is φ = 1688750994960.

The previous prime is 4221877487419. The next prime is 4221877487447. The reversal of 4221877487420 is 247847781224.

It is a congruent number.

It is an unprimeable number.

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, 105546937166 + ... + 105546937205.

It is an arithmetic number, because the mean of its divisors is an integer number (738828560302).

Almost surely, 2^{4221877487420} is an apocalyptic number.

It is an amenable number.

4221877487420 is an abundant number, since it is smaller than the sum of its proper divisors (4644065236204).

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

4221877487420 is a wasteful number, since it uses less digits than its factorization.

4221877487420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211093874380 (or 211093874378 counting only the distinct ones).

The product of its (nonzero) digits is 11239424, while the sum is 56.

The spelling of 4221877487420 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-seven million, four hundred eighty-seven thousand, four hundred twenty".