2028007784 has 32 divisors (see below), whose sum is σ = 4186274400. Its totient is φ = 913360320.

The previous prime is 2028007783. The next prime is 2028007801. The reversal of 2028007784 is 4877008202.

It is a super-2 number, since 2×2028007784² = 8225631143929181312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2028007783) 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, 96122 + ... + 115305.

It is an arithmetic number, because the mean of its divisors is an integer number (130821075).

Almost surely, 2^2028007784 is an apocalyptic number.

It is an amenable number.

2028007784 is an abundant number, since it is smaller than the sum of its proper divisors (2158266616).

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

2028007784 is a wasteful number, since it uses less digits than its factorization.

2028007784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211553 (or 211549 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 2028007784 is about 45033.4074216020. The cubic root of 2028007784 is about 1265.7750740733.

The spelling of 2028007784 in words is "two billion, twenty-eight million, seven thousand, seven hundred eighty-four".