28896338768 has 20 divisors (see below), whose sum is σ = 61076352768. Its totient is φ = 13134699360.

The previous prime is 28896338753. The next prime is 28896338789. The reversal of 28896338768 is 86783369882.

It is a junction number, because it is equal to n+sod(n) for n = 28896338698 and 28896338707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82091696 + ... + 82092047.

Almost surely, 2^28896338768 is an apocalyptic number.

It is an amenable number.

28896338768 is an abundant number, since it is smaller than the sum of its proper divisors (32180014000).

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

28896338768 is a wasteful number, since it uses less digits than its factorization.

28896338768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164183762 (or 164183756 counting only the distinct ones).

The product of its digits is 167215104, while the sum is 68.

The spelling of 28896338768 in words is "twenty-eight billion, eight hundred ninety-six million, three hundred thirty-eight thousand, seven hundred sixty-eight".