28088898112 has 28 divisors (see below), whose sum is σ = 60806082096. Its totient is φ = 12767680640.

The previous prime is 28088898109. The next prime is 28088898113. The reversal of 28088898112 is 21189888082.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28088898113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19948798 + ... + 19950205.

Almost surely, 2^28088898112 is an apocalyptic number.

28088898112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28088898112 is an abundant number, since it is smaller than the sum of its proper divisors (32717183984).

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

28088898112 is a wasteful number, since it uses less digits than its factorization.

28088898112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39899026 (or 39899016 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 55.

The spelling of 28088898112 in words is "twenty-eight billion, eighty-eight million, eight hundred ninety-eight thousand, one hundred twelve".