28747796600 has 48 divisors (see below), whose sum is σ = 69744665520. Its totient is φ = 10999155200.

The previous prime is 28747796557. The next prime is 28747796647. The reversal of 28747796600 is 669774782.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3120161 + ... + 3129360.

It is an arithmetic number, because the mean of its divisors is an integer number (1453013865).

Almost surely, 2^28747796600 is an apocalyptic number.

28747796600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28747796600 is an abundant number, since it is smaller than the sum of its proper divisors (40996868920).

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

28747796600 is a wasteful number, since it uses less digits than its factorization.

28747796600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249560 (or 6249551 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 28747796600 in words is "twenty-eight billion, seven hundred forty-seven million, seven hundred ninety-six thousand, six hundred".