28108673982 has 48 divisors (see below), whose sum is σ = 61464031200. Its totient is φ = 9283507200.

The previous prime is 28108673969. The next prime is 28108674019. The reversal of 28108673982 is 28937680182.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 846982 + ... + 879542.

It is an arithmetic number, because the mean of its divisors is an integer number (1280500650).

Almost surely, 2^28108673982 is an apocalyptic number.

28108673982 is an abundant number, since it is smaller than the sum of its proper divisors (33355357218).

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

28108673982 is a wasteful number, since it uses less digits than its factorization.

28108673982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33009 (or 33006 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 28108673982 in words is "twenty-eight billion, one hundred eight million, six hundred seventy-three thousand, nine hundred eighty-two".