2788452328 has 8 divisors (see below), whose sum is σ = 5228348130. Its totient is φ = 1394226160.

The previous prime is 2788452323. The next prime is 2788452361. The reversal of 2788452328 is 8232548872.

2788452328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1702222564 + 1086229764 = 41258^2 + 32958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2788452323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174278263 + ... + 174278278.

Almost surely, 2^2788452328 is an apocalyptic number.

It is an amenable number.

2788452328 is a deficient number, since it is larger than the sum of its proper divisors (2439895802).

2788452328 is a wasteful number, since it uses less digits than its factorization.

2788452328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348556547 (or 348556543 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 2788452328 is about 52805.7982422385. The cubic root of 2788452328 is about 1407.5194600777.

The spelling of 2788452328 in words is "two billion, seven hundred eighty-eight million, four hundred fifty-two thousand, three hundred twenty-eight".