28305863352 has 48 divisors (see below), whose sum is σ = 82558770840. Its totient is φ = 8709496128.

The previous prime is 28305863303. The next prime is 28305863357. The reversal of 28305863352 is 25336850382.

28305863352 is a `hidden beast` number, since 2 + 8 + 3 + 0 + 5 + 8 + 633 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28305863298 and 28305863307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28305863357) 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 11 ways as a sum of consecutive naturals, for example, 15119718 + ... + 15121589.

Almost surely, 2^28305863352 is an apocalyptic number.

It is an amenable number.

28305863352 is an abundant number, since it is smaller than the sum of its proper divisors (54252907488).

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

28305863352 is a wasteful number, since it uses less digits than its factorization.

28305863352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30241332 (or 30241325 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 28305863352 in words is "twenty-eight billion, three hundred five million, eight hundred sixty-three thousand, three hundred fifty-two".