28331248216 has 16 divisors (see below), whose sum is σ = 53122991040. Its totient is φ = 14165117280.

The previous prime is 28331248201. The next prime is 28331248219. The reversal of 28331248216 is 61284213382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28331248219) 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, 290425 + ... + 375511.

It is an arithmetic number, because the mean of its divisors is an integer number (3320186940).

Almost surely, 2^28331248216 is an apocalyptic number.

It is an amenable number.

28331248216 is a deficient number, since it is larger than the sum of its proper divisors (24791742824).

28331248216 is a wasteful number, since it uses less digits than its factorization.

28331248216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126714 (or 126710 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The spelling of 28331248216 in words is "twenty-eight billion, three hundred thirty-one million, two hundred forty-eight thousand, two hundred sixteen".