28743489600 has 168 divisors, whose sum is σ = 107774524608. Its totient is φ = 6569932800.

The previous prime is 28743489563. The next prime is 28743489613. The reversal of 28743489600 is 698434782.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394131 + ... + 461330.

Almost surely, 2^28743489600 is an apocalyptic number.

28743489600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28743489600 is an abundant number, since it is smaller than the sum of its proper divisors (79031035008).

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

28743489600 is a wasteful number, since it uses less digits than its factorization.

28743489600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855493 (or 855478 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 28743489600 in words is "twenty-eight billion, seven hundred forty-three million, four hundred eighty-nine thousand, six hundred".