28683889353 has 144 divisors (see below), whose sum is σ = 54419040000. Its totient is φ = 14424044544.

The previous prime is 28683889349. The next prime is 28683889373. The reversal of 28683889353 is 35398838682.

It is not a de Polignac number, because 28683889353 - 2² = 28683889349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (28683889313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11251723 + ... + 11254271.

It is an arithmetic number, because the mean of its divisors is an integer number (377910000).

Almost surely, 2^28683889353 is an apocalyptic number.

It is an amenable number.

28683889353 is a deficient number, since it is larger than the sum of its proper divisors (25735150647).

28683889353 is a wasteful number, since it uses less digits than its factorization.

28683889353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2674 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 28683889353 in words is "twenty-eight billion, six hundred eighty-three million, eight hundred eighty-nine thousand, three hundred fifty-three".