28363018385 has 16 divisors (see below), whose sum is σ = 36714988800. Its totient is φ = 20910002880.

The previous prime is 28363018351. The next prime is 28363018391. The reversal of 28363018385 is 58381036382.

It is not a de Polignac number, because 28363018385 - 2²⁰ = 28361969809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325301 + ... + 403170.

It is an arithmetic number, because the mean of its divisors is an integer number (2294686800).

Almost surely, 2^28363018385 is an apocalyptic number.

It is an amenable number.

28363018385 is a deficient number, since it is larger than the sum of its proper divisors (8351970415).

28363018385 is a wasteful number, since it uses less digits than its factorization.

28363018385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729088.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 28363018385 in words is "twenty-eight billion, three hundred sixty-three million, eighteen thousand, three hundred eighty-five".