28816197696 has 336 divisors, whose sum is σ = 102149087040. Its totient is φ = 7635824640.

The previous prime is 28816197673. The next prime is 28816197727. The reversal of 28816197696 is 69679161882.

28816197696 is a `hidden beast` number, since 2 + 8 + 8 + 1 + 619 + 7 + 6 + 9 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1555786 + ... + 1574198.

It is an arithmetic number, because the mean of its divisors is an integer number (304015140).

Almost surely, 2^28816197696 is an apocalyptic number.

28816197696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28816197696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51074543520).

28816197696 is an abundant number, since it is smaller than the sum of its proper divisors (73332889344).

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

28816197696 is a wasteful number, since it uses less digits than its factorization.

28816197696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474 (or 18461 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The spelling of 28816197696 in words is "twenty-eight billion, eight hundred sixteen million, one hundred ninety-seven thousand, six hundred ninety-six".