28662132608 has 32 divisors (see below), whose sum is σ = 57952603560. Its totient is φ = 14117165568.

The previous prime is 28662132539. The next prime is 28662132619. The reversal of 28662132608 is 80623126682.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662491 + ... + 1679642.

Almost surely, 2^28662132608 is an apocalyptic number.

It is an amenable number.

28662132608 is an abundant number, since it is smaller than the sum of its proper divisors (29290470952).

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

28662132608 is an equidigital number, since it uses as much as digits as its factorization.

28662132608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342214 (or 3342202 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 28662132608 in words is "twenty-eight billion, six hundred sixty-two million, one hundred thirty-two thousand, six hundred eight".