28868860208 has 20 divisors (see below), whose sum is σ = 55946736888. Its totient is φ = 14430992640.

The previous prime is 28868860201. The next prime is 28868860211. The reversal of 28868860208 is 80206886882.

It is a super-2 number, since 2×28868860208² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28868860201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144866 + ... + 280577.

Almost surely, 2^28868860208 is an apocalyptic number.

It is an amenable number.

28868860208 is a deficient number, since it is larger than the sum of its proper divisors (27077876680).

28868860208 is a wasteful number, since it uses less digits than its factorization.

28868860208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429692 (or 429686 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 56.

The spelling of 28868860208 in words is "twenty-eight billion, eight hundred sixty-eight million, eight hundred sixty thousand, two hundred eight".