4198821887 has 8 divisors (see below), whose sum is σ = 4522311696. Its totient is φ = 3875404032.

The previous prime is 4198821859. The next prime is 4198821917. The reversal of 4198821887 is 7881288914.

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 4198821887 - 2⁸ = 4198821631 is a prime.

It is a super-3 number, since 3×4198821887³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198821287) 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 7 ways as a sum of consecutive naturals, for example, 216608 + ... + 235194.

It is an arithmetic number, because the mean of its divisors is an integer number (565288962).

Almost surely, 2^4198821887 is an apocalyptic number.

4198821887 is a deficient number, since it is larger than the sum of its proper divisors (323489809).

4198821887 is a wasteful number, since it uses less digits than its factorization.

4198821887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35977.

The product of its digits is 2064384, while the sum is 56.

The square root of 4198821887 is about 64798.3170074656. The cubic root of 4198821887 is about 1613.2777746740.

The spelling of 4198821887 in words is "four billion, one hundred ninety-eight million, eight hundred twenty-one thousand, eight hundred eighty-seven".