28608004999 has 8 divisors (see below), whose sum is σ = 33822272160. Its totient is φ = 23675590176.

The previous prime is 28608004933. The next prime is 28608005011. The reversal of 28608004999 is 99940080682.

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

It is a de Polignac number, because none of the positive numbers 2^k-28608004999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28608004099) 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, 70462864 + ... + 70463269.

It is an arithmetic number, because the mean of its divisors is an integer number (4227784020).

Almost surely, 2^28608004999 is an apocalyptic number.

28608004999 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28608004999 is a deficient number, since it is larger than the sum of its proper divisors (5214267161).

28608004999 is a wasteful number, since it uses less digits than its factorization.

28608004999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140926169.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 28608004999 in words is "twenty-eight billion, six hundred eight million, four thousand, nine hundred ninety-nine".