2784543216 has 160 divisors (see below), whose sum is σ = 8885764608. Its totient is φ = 731704320.

The previous prime is 2784543143. The next prime is 2784543259. The reversal of 2784543216 is 6123454872.

2784543216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383651 + ... + 1385661.

Almost surely, 2^2784543216 is an apocalyptic number.

2784543216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2784543216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4442882304).

2784543216 is an abundant number, since it is smaller than the sum of its proper divisors (6101221392).

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

2784543216 is a wasteful number, since it uses less digits than its factorization.

2784543216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2353 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 2784543216 is about 52768.7712193490. The cubic root of 2784543216 is about 1406.8614218889.

The spelling of 2784543216 in words is "two billion, seven hundred eighty-four million, five hundred forty-three thousand, two hundred sixteen".