28599550112 has 72 divisors (see below), whose sum is σ = 65548375956. Its totient is φ = 12247538688.

The previous prime is 28599550079. The next prime is 28599550129. The reversal of 28599550112 is 21105599582.

It can be written as a sum of positive squares in 2 ways, for example, as 17296458256 + 11303091856 = 131516^2 + 106316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2272028 + ... + 2284580.

Almost surely, 2^28599550112 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 28599550112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32774187978).

28599550112 is an abundant number, since it is smaller than the sum of its proper divisors (36948825844).

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

28599550112 is a wasteful number, since it uses less digits than its factorization.

28599550112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14030 (or 14015 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 47.

The spelling of 28599550112 in words is "twenty-eight billion, five hundred ninety-nine million, five hundred fifty thousand, one hundred twelve".