2987989487988 has 48 divisors (see below), whose sum is σ = 6997335520896. Its totient is φ = 992374190080.

The previous prime is 2987989487981. The next prime is 2987989488053. The reversal of 2987989487988 is 8897849897892.

2987989487988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2987989487895 and 2987989487904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987989487981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56700820 + ... + 56753492.

It is an arithmetic number, because the mean of its divisors is an integer number (145777823352).

Almost surely, 2^{2987989487988} is an apocalyptic number.

It is an amenable number.

2987989487988 is an abundant number, since it is smaller than the sum of its proper divisors (4009346032908).

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

2987989487988 is a wasteful number, since it uses less digits than its factorization.

2987989487988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69784 (or 69782 counting only the distinct ones).

The product of its digits is 84276412416, while the sum is 96.

The spelling of 2987989487988 in words is "two trillion, nine hundred eighty-seven billion, nine hundred eighty-nine million, four hundred eighty-seven thousand, nine hundred eighty-eight".