28727193600 has 936 divisors, whose sum is σ = 121158912992. Its totient is φ = 6370099200.

The previous prime is 28727193581. The next prime is 28727193601. The reversal of 28727193600 is 639172782.

28727193600 is a `hidden beast` number, since 2 + 8 + 7 + 27 + 19 + 3 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (28727193601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 393523164 + ... + 393523236.

Almost surely, 2^28727193600 is an apocalyptic number.

28727193600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28727193600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60579456496).

28727193600 is an abundant number, since it is smaller than the sum of its proper divisors (92431719392).

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

28727193600 is a wasteful number, since it uses less digits than its factorization.

28727193600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 28727193600 in words is "twenty-eight billion, seven hundred twenty-seven million, one hundred ninety-three thousand, six hundred".