28299165696 has 204 divisors, whose sum is σ = 84828102632. Its totient is φ = 9427746816.

The previous prime is 28299165683. The next prime is 28299165701. The reversal of 28299165696 is 69656199282.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15924360 + ... + 15926136.

Almost surely, 2^28299165696 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 28299165696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42414051316).

28299165696 is an abundant number, since it is smaller than the sum of its proper divisors (56528936936).

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

28299165696 is an frugal number, since it uses more digits than its factorization.

28299165696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1782 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The spelling of 28299165696 in words is "twenty-eight billion, two hundred ninety-nine million, one hundred sixty-five thousand, six hundred ninety-six".