28866466896 has 20 divisors (see below), whose sum is σ = 74571706272. Its totient is φ = 9622155616.

The previous prime is 28866466891. The next prime is 28866466949. The reversal of 28866466896 is 69866466882.

It is a super-2 number, since 2×28866466896² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28866466896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28866466891) 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, 300692316 + ... + 300692411.

Almost surely, 2^28866466896 is an apocalyptic number.

It is an amenable number.

28866466896 is an abundant number, since it is smaller than the sum of its proper divisors (45705239376).

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

28866466896 is a wasteful number, since it uses less digits than its factorization.

28866466896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601384738 (or 601384732 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 69.

The spelling of 28866466896 in words is "twenty-eight billion, eight hundred sixty-six million, four hundred sixty-six thousand, eight hundred ninety-six".