28808695908 has 36 divisors (see below), whose sum is σ = 75988156608. Its totient is φ = 9185381040.

The previous prime is 28808695897. The next prime is 28808695933. The reversal of 28808695908 is 80959680882.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17395728 + ... + 17397383.

It is an arithmetic number, because the mean of its divisors is an integer number (2110782128).

Almost surely, 2^28808695908 is an apocalyptic number.

It is an amenable number.

28808695908 is an abundant number, since it is smaller than the sum of its proper divisors (47179460700).

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

28808695908 is a wasteful number, since it uses less digits than its factorization.

28808695908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34793144 (or 34793139 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 28808695908 in words is "twenty-eight billion, eight hundred eight million, six hundred ninety-five thousand, nine hundred eight".