28849719552 has 36 divisors (see below), whose sum is σ = 76782328560. Its totient is φ = 9616572928.

The previous prime is 28849719511. The next prime is 28849719581. The reversal of 28849719552 is 25591794882.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18781602 + ... + 18783137.

It is an arithmetic number, because the mean of its divisors is an integer number (2132842460).

Almost surely, 2^28849719552 is an apocalyptic number.

It is an amenable number.

28849719552 is an abundant number, since it is smaller than the sum of its proper divisors (47932609008).

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

28849719552 is an equidigital number, since it uses as much as digits as its factorization.

28849719552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37564758 (or 37564744 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 60.

The spelling of 28849719552 in words is "twenty-eight billion, eight hundred forty-nine million, seven hundred nineteen thousand, five hundred fifty-two".