28974727600 has 120 divisors (see below), whose sum is σ = 85676148320. Its totient is φ = 9170012160.

The previous prime is 28974727589. The next prime is 28974727603. The reversal of 28974727600 is 672747982.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (28974727603) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 361605 + ... + 434404.

Almost surely, 2^28974727600 is an apocalyptic number.

28974727600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28974727600 is an abundant number, since it is smaller than the sum of its proper divisors (56701420720).

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

28974727600 is a wasteful number, since it uses less digits than its factorization.

28974727600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796047 (or 796036 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 28974727600 in words is "twenty-eight billion, nine hundred seventy-four million, seven hundred twenty-seven thousand, six hundred".