28073217600 has 168 divisors, whose sum is σ = 102337433120. Its totient is φ = 7486179840.

The previous prime is 28073217593. The next prime is 28073217629. The reversal of 28073217600 is 671237082.

28073217600 is a `hidden beast` number, since 2 + 8 + 0 + 7 + 32 + 17 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 281722 + ... + 368121.

Almost surely, 2^28073217600 is an apocalyptic number.

28073217600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28073217600 is an abundant number, since it is smaller than the sum of its proper divisors (74264215520).

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

28073217600 is a wasteful number, since it uses less digits than its factorization.

28073217600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649874 (or 649853 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 28073217600 in words is "twenty-eight billion, seventy-three million, two hundred seventeen thousand, six hundred".