28968780144 has 20 divisors (see below), whose sum is σ = 74836015496. Its totient is φ = 9656260032.

The previous prime is 28968780143. The next prime is 28968780161. The reversal of 28968780144 is 44108786982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28968780143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301758079 + ... + 301758174.

Almost surely, 2^28968780144 is an apocalyptic number.

28968780144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28968780144 is an abundant number, since it is smaller than the sum of its proper divisors (45867235352).

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

28968780144 is a wasteful number, since it uses less digits than its factorization.

28968780144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603516264 (or 603516258 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 28968780144 in words is "twenty-eight billion, nine hundred sixty-eight million, seven hundred eighty thousand, one hundred forty-four".