28300568881 has 8 divisors (see below), whose sum is σ = 30994104960. Its totient is φ = 25680828432.

The previous prime is 28300568869. The next prime is 28300568893. The reversal of 28300568881 is 18886500382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28300568869) and next prime (28300568893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28300568881 - 2⁹ = 28300568369 is a prime.

It is a super-2 number, since 2×28300568881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28300568801) 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 7 ways as a sum of consecutive naturals, for example, 18448105 + ... + 18449638.

It is an arithmetic number, because the mean of its divisors is an integer number (3874263120).

Almost surely, 2^28300568881 is an apocalyptic number.

It is an amenable number.

28300568881 is a deficient number, since it is larger than the sum of its proper divisors (2693536079).

28300568881 is a wasteful number, since it uses less digits than its factorization.

28300568881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36897815.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 28300568881 in words is "twenty-eight billion, three hundred million, five hundred sixty-eight thousand, eight hundred eighty-one".