3988821799810 has 32 divisors (see below), whose sum is σ = 7351183838592. Its totient is φ = 1557504775680.

The previous prime is 3988821799801. The next prime is 3988821799811. The reversal of 3988821799810 is 189971288893.

It is a happy number.

It is a super-2 number, since 2×3988821799810² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3988821799811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003446 + ... + 3462865.

It is an arithmetic number, because the mean of its divisors is an integer number (229724494956).

Almost surely, 2^{3988821799810} is an apocalyptic number.

3988821799810 is a deficient number, since it is larger than the sum of its proper divisors (3362362038782).

3988821799810 is a wasteful number, since it uses less digits than its factorization.

3988821799810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468058.

The product of its (nonzero) digits is 125411328, while the sum is 73.

The spelling of 3988821799810 in words is "three trillion, nine hundred eighty-eight billion, eight hundred twenty-one million, seven hundred ninety-nine thousand, eight hundred ten".