28006933200 has 60 divisors (see below), whose sum is σ = 89715546528. Its totient is φ = 7468515200.

The previous prime is 28006933133. The next prime is 28006933277. The reversal of 28006933200 is 233960082.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11668356 + ... + 11670755.

Almost surely, 2^28006933200 is an apocalyptic number.

28006933200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28006933200 is an abundant number, since it is smaller than the sum of its proper divisors (61708613328).

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

28006933200 is a wasteful number, since it uses less digits than its factorization.

28006933200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23339132 (or 23339121 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 28006933200 in words is "twenty-eight billion, six million, nine hundred thirty-three thousand, two hundred".