28913936700 has 288 divisors, whose sum is σ = 94763934720. Its totient is φ = 6742400000.

The previous prime is 28913936699. The next prime is 28913936791. The reversal of 28913936700 is 763931982.

It is a self number, because there is not a number n which added to its sum of digits gives 28913936700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41246350 + ... + 41247050.

It is an arithmetic number, because the mean of its divisors is an integer number (329041440).

Almost surely, 2^28913936700 is an apocalyptic number.

28913936700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28913936700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47381967360).

28913936700 is an abundant number, since it is smaller than the sum of its proper divisors (65849998020).

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

28913936700 is a wasteful number, since it uses less digits than its factorization.

28913936700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1182 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 28913936700 in words is "twenty-eight billion, nine hundred thirteen million, nine hundred thirty-six thousand, seven hundred".