28483509686 has 12 divisors (see below), whose sum is σ = 43721277732. Its totient is φ = 13909786884.

The previous prime is 28483509679. The next prime is 28483509701. The reversal of 28483509686 is 68690538482.

It is a super-2 number, since 2×28483509686² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1556015 + ... + 1574213.

It is an arithmetic number, because the mean of its divisors is an integer number (3643439811).

Almost surely, 2^28483509686 is an apocalyptic number.

28483509686 is a deficient number, since it is larger than the sum of its proper divisors (15237768046).

28483509686 is an frugal number, since it uses more digits than its factorization.

28483509686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36443 (or 18244 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 28483509686 in words is "twenty-eight billion, four hundred eighty-three million, five hundred nine thousand, six hundred eighty-six".