28214653696 has 72 divisors (see below), whose sum is σ = 58019430560. Its totient is φ = 13683769344.

The previous prime is 28214653681. The next prime is 28214653703. The reversal of 28214653696 is 69635641282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187645 + ... + 3196483.

Almost surely, 2^28214653696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28214653696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29009715280).

28214653696 is an abundant number, since it is smaller than the sum of its proper divisors (29804776864).

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

28214653696 is an equidigital number, since it uses as much as digits as its factorization.

28214653696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229 (or 9215 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 28214653696 in words is "twenty-eight billion, two hundred fourteen million, six hundred fifty-three thousand, six hundred ninety-six".