28316678808 has 32 divisors (see below), whose sum is σ = 77227306560. Its totient is φ = 8580811680.

The previous prime is 28316678807. The next prime is 28316678809. The reversal of 28316678808 is 80887661382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28316678807) and next prime (28316678809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28316678807) 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 7 ways as a sum of consecutive naturals, for example, 53629810 + ... + 53630337.

It is an arithmetic number, because the mean of its divisors is an integer number (2413353330).

Almost surely, 2^28316678808 is an apocalyptic number.

It is an amenable number.

28316678808 is an abundant number, since it is smaller than the sum of its proper divisors (48910627752).

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

28316678808 is a wasteful number, since it uses less digits than its factorization.

28316678808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107260167 (or 107260163 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 28316678808 in words is "twenty-eight billion, three hundred sixteen million, six hundred seventy-eight thousand, eight hundred eight".