28808814408 has 64 divisors (see below), whose sum is σ = 80051976000. Its totient is φ = 8565223680.

The previous prime is 28808814401. The next prime is 28808814421. The reversal of 28808814408 is 80441880882.

It is not an unprimeable number, because it can be changed into a prime (28808814401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015483 + ... + 1043466.

It is an arithmetic number, because the mean of its divisors is an integer number (1250812125).

Almost surely, 2^28808814408 is an apocalyptic number.

It is an amenable number.

28808814408 is an abundant number, since it is smaller than the sum of its proper divisors (51243161592).

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

28808814408 is a wasteful number, since it uses less digits than its factorization.

28808814408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059022 (or 2059018 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 51.

The spelling of 28808814408 in words is "twenty-eight billion, eight hundred eight million, eight hundred fourteen thousand, four hundred eight".