3987785584442 has 8 divisors (see below), whose sum is σ = 6525467320032. Its totient is φ = 1812629811100.

The previous prime is 3987785584439. The next prime is 3987785584457. The reversal of 3987785584442 is 2444855877893.

3987785584442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3987785584442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90631490534 + ... + 90631490577.

It is an arithmetic number, because the mean of its divisors is an integer number (815683415004).

Almost surely, 2^{3987785584442} is an apocalyptic number.

3987785584442 is a deficient number, since it is larger than the sum of its proper divisors (2537681735590).

3987785584442 is a wasteful number, since it uses less digits than its factorization.

3987785584442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181262981124.

The product of its digits is 2167603200, while the sum is 74.

The spelling of 3987785584442 in words is "three trillion, nine hundred eighty-seven billion, seven hundred eighty-five million, five hundred eighty-four thousand, four hundred forty-two".