28744747300 has 18 divisors (see below), whose sum is σ = 62376101858. Its totient is φ = 11497898880.

The previous prime is 28744747223. The next prime is 28744747301. The reversal of 28744747300 is 374744782.

It can be written as a sum of positive squares in 3 ways, for example, as 10010802916 + 18733944384 = 100054^2 + 136872^2 .

It is not an unprimeable number, because it can be changed into a prime (28744747301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143723637 + ... + 143723836.

Almost surely, 2^28744747300 is an apocalyptic number.

28744747300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28744747300 is an abundant number, since it is smaller than the sum of its proper divisors (33631354558).

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

28744747300 is a wasteful number, since it uses less digits than its factorization.

28744747300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287447487 (or 287447480 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 28744747300 in words is "twenty-eight billion, seven hundred forty-four million, seven hundred forty-seven thousand, three hundred".