28235889259536 has 80 divisors (see below), whose sum is σ = 83364160189568. Its totient is φ = 8067294489600.

The previous prime is 28235889259531. The next prime is 28235889259541. The reversal of 28235889259536 is 63595298853282.

It is an interprime number because it is at equal distance from previous prime (28235889259531) and next prime (28235889259541).

It is not an unprimeable number, because it can be changed into a prime (28235889259531) 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 15 ways as a sum of consecutive naturals, for example, 28277916 + ... + 29259396.

Almost surely, 2^{28235889259536} is an apocalyptic number.

It is an amenable number.

28235889259536 is an abundant number, since it is smaller than the sum of its proper divisors (55128270930032).

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

28235889259536 is a wasteful number, since it uses less digits than its factorization.

28235889259536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067120 (or 1067114 counting only the distinct ones).

The product of its digits is 2239488000, while the sum is 75.

The spelling of 28235889259536 in words is "twenty-eight trillion, two hundred thirty-five billion, eight hundred eighty-nine million, two hundred fifty-nine thousand, five hundred thirty-six".