2784381852 has 24 divisors (see below), whose sum is σ = 7425018496. Its totient is φ = 795537648.

The previous prime is 2784381851. The next prime is 2784381869. The reversal of 2784381852 is 2581834872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784381851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16573618 + ... + 16573785.

Almost surely, 2^2784381852 is an apocalyptic number.

It is an amenable number.

2784381852 is an abundant number, since it is smaller than the sum of its proper divisors (4640636644).

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

2784381852 is a wasteful number, since it uses less digits than its factorization.

2784381852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33147417 (or 33147415 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 2784381852 is about 52767.2422246985. The cubic root of 2784381852 is about 1406.8342455379.

The spelling of 2784381852 in words is "two billion, seven hundred eighty-four million, three hundred eighty-one thousand, eight hundred fifty-two".