28920096288 has 72 divisors (see below), whose sum is σ = 84464298828. Its totient is φ = 9379487232.

The previous prime is 28920096277. The next prime is 28920096301. The reversal of 28920096288 is 88269002982.

28920096288 is a `hidden beast` number, since 2 + 8 + 9 + 2 + 0 + 0 + 9 + 628 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28909520784 + 10575504 = 170028^2 + 3252^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1346331 + ... + 1367642.

Almost surely, 2^28920096288 is an apocalyptic number.

It is an amenable number.

28920096288 is an abundant number, since it is smaller than the sum of its proper divisors (55544202540).

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

28920096288 is a wasteful number, since it uses less digits than its factorization.

28920096288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714026 (or 2714015 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 28920096288 in words is "twenty-eight billion, nine hundred twenty million, ninety-six thousand, two hundred eighty-eight".