28175127986384 has 20 divisors (see below), whose sum is σ = 54602934084384. Its totient is φ = 14084048222688.

The previous prime is 28175127986377. The next prime is 28175127986471. The reversal of 28175127986384 is 48368972157182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219669542 + ... + 219797765.

Almost surely, 2^{28175127986384} is an apocalyptic number.

It is an amenable number.

28175127986384 is a deficient number, since it is larger than the sum of its proper divisors (26427806098000).

28175127986384 is a wasteful number, since it uses less digits than its factorization.

28175127986384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439471322 (or 439471316 counting only the distinct ones).

The product of its digits is 325140480, while the sum is 71.

The spelling of 28175127986384 in words is "twenty-eight trillion, one hundred seventy-five billion, one hundred twenty-seven million, nine hundred eighty-six thousand, three hundred eighty-four".