28812088 has 16 divisors (see below), whose sum is σ = 54127080. Its totient is φ = 14378208.

The previous prime is 28812083. The next prime is 28812097. The reversal of 28812088 is 88021882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28812083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306 + ... + 7702.

Almost surely, 2^28812088 is an apocalyptic number.

It is an amenable number.

28812088 is a deficient number, since it is larger than the sum of its proper divisors (25314992).

28812088 is a wasteful number, since it uses less digits than its factorization.

28812088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6962 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 28812088 is about 5367.6892607527. The cubic root of 28812088 is about 306.5666519053.

The spelling of 28812088 in words is "twenty-eight million, eight hundred twelve thousand, eighty-eight".