28664264288 has 48 divisors (see below), whose sum is σ = 61576698960. Its totient is φ = 13026316800.

The previous prime is 28664264219. The next prime is 28664264309. The reversal of 28664264288 is 88246246682.

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 7 ways as a sum of consecutive naturals, for example, 2962178 + ... + 2971838.

It is an arithmetic number, because the mean of its divisors is an integer number (1282847895).

Almost surely, 2^28664264288 is an apocalyptic number.

It is an amenable number.

28664264288 is an abundant number, since it is smaller than the sum of its proper divisors (32912434672).

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

28664264288 is a wasteful number, since it uses less digits than its factorization.

28664264288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111 (or 18103 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 56.

The spelling of 28664264288 in words is "twenty-eight billion, six hundred sixty-four million, two hundred sixty-four thousand, two hundred eighty-eight".