2784258064 has 20 divisors (see below), whose sum is σ = 6165143104. Its totient is φ = 1193253408.

The previous prime is 2784258049. The next prime is 2784258091. The reversal of 2784258064 is 4608524872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12429612 + ... + 12429835.

Almost surely, 2^2784258064 is an apocalyptic number.

It is an amenable number.

2784258064 is an abundant number, since it is smaller than the sum of its proper divisors (3380885040).

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

2784258064 is a wasteful number, since it uses less digits than its factorization.

2784258064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24859462 (or 24859456 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 2784258064 is about 52766.0692490923. The cubic root of 2784258064 is about 1406.8133968914.

The spelling of 2784258064 in words is "two billion, seven hundred eighty-four million, two hundred fifty-eight thousand, sixty-four".