28200659856 has 40 divisors (see below), whose sum is σ = 72883114944. Its totient is φ = 9396167040.

The previous prime is 28200659843. The next prime is 28200659869. The reversal of 28200659856 is 65895600282.

It is an interprime number because it is at equal distance from previous prime (28200659843) and next prime (28200659869).

It is a junction number, because it is equal to n+sod(n) for n = 28200659799 and 28200659808.

It is an unprimeable number.

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, 13116 + ... + 237851.

Almost surely, 2^28200659856 is an apocalyptic number.

It is an amenable number.

28200659856 is an abundant number, since it is smaller than the sum of its proper divisors (44682455088).

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

28200659856 is a wasteful number, since it uses less digits than its factorization.

28200659856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253319 (or 253313 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 28200659856 in words is "twenty-eight billion, two hundred million, six hundred fifty-nine thousand, eight hundred fifty-six".