28645302069100 has 18 divisors (see below), whose sum is σ = 62160305490164. Its totient is φ = 11458120827600.

The previous prime is 28645302069077. The next prime is 28645302069119. The reversal of 28645302069100 is 196020354682.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143226510246 + ... + 143226510445.

Almost surely, 2^{28645302069100} is an apocalyptic number.

28645302069100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28645302069100 is an abundant number, since it is smaller than the sum of its proper divisors (33515003421064).

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

28645302069100 is a wasteful number, since it uses less digits than its factorization.

28645302069100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286453020705 (or 286453020698 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 28645302069100 in words is "twenty-eight trillion, six hundred forty-five billion, three hundred two million, sixty-nine thousand, one hundred".