28363854645 has 80 divisors (see below), whose sum is σ = 61166835840. Its totient is φ = 12283871616.

The previous prime is 28363854611. The next prime is 28363854689. The reversal of 28363854645 is 54645836382.

28363854645 is a `hidden beast` number, since 28 + 3 + 6 + 38 + 546 + 45 = 666.

It is not a de Polignac number, because 28363854645 - 2¹⁷ = 28363723573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28363854591 and 28363854600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 209422 + ... + 317151.

It is an arithmetic number, because the mean of its divisors is an integer number (764585448).

Almost surely, 2^28363854645 is an apocalyptic number.

It is an amenable number.

28363854645 is an abundant number, since it is smaller than the sum of its proper divisors (32802981195).

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

28363854645 is a wasteful number, since it uses less digits than its factorization.

28363854645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526616 (or 526607 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 28363854645 in words is "twenty-eight billion, three hundred sixty-three million, eight hundred fifty-four thousand, six hundred forty-five".