28174745659648 has 72 divisors (see below), whose sum is σ = 65841288428160. Its totient is φ = 11780381429760.

The previous prime is 28174745659631. The next prime is 28174745659657. The reversal of 28174745659648 is 84695654747182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191664508 + ... + 191811451.

It is an arithmetic number, because the mean of its divisors is an integer number (914462339280).

Almost surely, 2^{28174745659648} is an apocalyptic number.

28174745659648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28174745659648 is an abundant number, since it is smaller than the sum of its proper divisors (37666542768512).

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

28174745659648 is an equidigital number, since it uses as much as digits as its factorization.

28174745659648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383476023 (or 383476009 counting only the distinct ones).

The product of its digits is 3251404800, while the sum is 76.

The spelling of 28174745659648 in words is "twenty-eight trillion, one hundred seventy-four billion, seven hundred forty-five million, six hundred fifty-nine thousand, six hundred forty-eight".