2388784788 has 72 divisors (see below), whose sum is σ = 6520270848. Its totient is φ = 733036608.

The previous prime is 2388784777. The next prime is 2388784789. The reversal of 2388784788 is 8874878832.

2388784788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388784789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172581 + ... + 185907.

Almost surely, 2^2388784788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2388784788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3260135424).

2388784788 is an abundant number, since it is smaller than the sum of its proper divisors (4131486060).

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

2388784788 is a wasteful number, since it uses less digits than its factorization.

2388784788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733 (or 13728 counting only the distinct ones).

The product of its digits is 38535168, while the sum is 63.

The square root of 2388784788 is about 48875.1960405276. The cubic root of 2388784788 is about 1336.7771341578. Note that the first 3 decimals are identical.

The spelling of 2388784788 in words is "two billion, three hundred eighty-eight million, seven hundred eighty-four thousand, seven hundred eighty-eight".