28835328560 has 20 divisors (see below), whose sum is σ = 67042139088. Its totient is φ = 11534131392.

The previous prime is 28835328547. The next prime is 28835328589. The reversal of 28835328560 is 6582353882.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 28835328499 and 28835328508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180220724 + ... + 180220883.

Almost surely, 2^28835328560 is an apocalyptic number.

28835328560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28835328560 is an abundant number, since it is smaller than the sum of its proper divisors (38206810528).

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

28835328560 is a wasteful number, since it uses less digits than its factorization.

28835328560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360441620 (or 360441614 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 28835328560 in words is "twenty-eight billion, eight hundred thirty-five million, three hundred twenty-eight thousand, five hundred sixty".