2781984548 has 12 divisors (see below), whose sum is σ = 5563969152. Its totient is φ = 1192279080.

The previous prime is 2781984523. The next prime is 2781984563. The reversal of 2781984548 is 8454891872.

2781984548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2781984548 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2781984493 and 2781984502.

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, 49678268 + ... + 49678323.

It is an arithmetic number, because the mean of its divisors is an integer number (463664096).

Almost surely, 2^2781984548 is an apocalyptic number.

2781984548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2781984548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2781984548 is a wasteful number, since it uses less digits than its factorization.

2781984548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99356602 (or 99356600 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The square root of 2781984548 is about 52744.5214974977. The cubic root of 2781984548 is about 1406.4303763937.

The spelling of 2781984548 in words is "two billion, seven hundred eighty-one million, nine hundred eighty-four thousand, five hundred forty-eight".