28285087608 has 48 divisors (see below), whose sum is σ = 76658961600. Its totient is φ = 9421776000.

The previous prime is 28285087529. The next prime is 28285087619. The reversal of 28285087608 is 80678058282.

28285087608 is a `hidden beast` number, since 2 + 8 + 28 + 5 + 0 + 8 + 7 + 608 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32893 + ... + 240108.

It is an arithmetic number, because the mean of its divisors is an integer number (1597061700).

Almost surely, 2^28285087608 is an apocalyptic number.

It is an amenable number.

28285087608 is an abundant number, since it is smaller than the sum of its proper divisors (48373873992).

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

28285087608 is a wasteful number, since it uses less digits than its factorization.

28285087608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274452 (or 274445 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 28285087608 in words is "twenty-eight billion, two hundred eighty-five million, eighty-seven thousand, six hundred eight".