28849380384 has 96 divisors (see below), whose sum is σ = 84629240640. Its totient is φ = 8528998400.

The previous prime is 28849380377. The next prime is 28849380407. The reversal of 28849380384 is 48308394882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 289869 + ... + 376460.

It is an arithmetic number, because the mean of its divisors is an integer number (881554590).

Almost surely, 2^28849380384 is an apocalyptic number.

28849380384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28849380384 is an abundant number, since it is smaller than the sum of its proper divisors (55779860256).

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

28849380384 is a wasteful number, since it uses less digits than its factorization.

28849380384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666394 (or 666386 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 57.

The spelling of 28849380384 in words is "twenty-eight billion, eight hundred forty-nine million, three hundred eighty thousand, three hundred eighty-four".