987884488789 has 16 divisors (see below), whose sum is σ = 1106361978624. Its totient is φ = 874279929600.

The previous prime is 987884488771. The next prime is 987884488819.

987884488789 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 987884488789 - 2⁵ = 987884488757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987884488739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2156664 + ... + 2574289.

It is an arithmetic number, because the mean of its divisors is an integer number (69147623664).

Almost surely, 2^987884488789 is an apocalyptic number.

It is an amenable number.

987884488789 is a deficient number, since it is larger than the sum of its proper divisors (118477489835).

987884488789 is a wasteful number, since it uses less digits than its factorization.

987884488789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731468.

The product of its digits is 16647192576, while the sum is 88.

The spelling of 987884488789 in words is "nine hundred eighty-seven billion, eight hundred eighty-four million, four hundred eighty-eight thousand, seven hundred eighty-nine".