28888885744460 has 96 divisors (see below), whose sum is σ = 69662849098752. Its totient is φ = 9857783704320.

The previous prime is 28888885744441. The next prime is 28888885744487. The reversal of 28888885744460 is 6444758888882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27923579 + ... + 28939661.

It is an arithmetic number, because the mean of its divisors is an integer number (725654678112).

Almost surely, 2^{28888885744460} is an apocalyptic number.

28888885744460 is a gapful number since it is divisible by the number (20) 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 28888885744460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34831424549376).

28888885744460 is an abundant number, since it is smaller than the sum of its proper divisors (40773963354292).

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

28888885744460 is a wasteful number, since it uses less digits than its factorization.

28888885744460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017063 (or 1017061 counting only the distinct ones).

The product of its (nonzero) digits is 7046430720, while the sum is 80.

The spelling of 28888885744460 in words is "twenty-eight trillion, eight hundred eighty-eight billion, eight hundred eighty-five million, seven hundred forty-four thousand, four hundred sixty".