28880822602600 has 96 divisors (see below), whose sum is σ = 71138362221720. Its totient is φ = 10866575646720.

The previous prime is 28880822602547. The next prime is 28880822602613. The reversal of 28880822602600 is 620622808882.

It can be written as a sum of positive squares in 12 ways, for example, as 27359144836 + 28853463457764 = 165406^2 + 5371542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3537394 + ... + 8383006.

Almost surely, 2^{28880822602600} is an apocalyptic number.

28880822602600 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 28880822602600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35569181110860).

28880822602600 is an abundant number, since it is smaller than the sum of its proper divisors (42257539619120).

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

28880822602600 is a wasteful number, since it uses less digits than its factorization.

28880822602600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847399 (or 4847390 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 28880822602600 in words is "twenty-eight trillion, eight hundred eighty billion, eight hundred twenty-two million, six hundred two thousand, six hundred".