28539419676 has 24 divisors (see below), whose sum is σ = 66595167744. Its totient is φ = 9512684400.

The previous prime is 28539419669. The next prime is 28539419677. The reversal of 28539419676 is 67691493582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28539419677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 287451 + ... + 373773.

It is an arithmetic number, because the mean of its divisors is an integer number (2774798656).

Almost surely, 2^28539419676 is an apocalyptic number.

It is an amenable number.

28539419676 is an abundant number, since it is smaller than the sum of its proper divisors (38055748068).

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

28539419676 is a wasteful number, since it uses less digits than its factorization.

28539419676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113881 (or 113879 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 28539419676 in words is "twenty-eight billion, five hundred thirty-nine million, four hundred nineteen thousand, six hundred seventy-six".