28006341288 has 32 divisors (see below), whose sum is σ = 70802553600. Its totient is φ = 9230553728.

The previous prime is 28006341287. The next prime is 28006341329. The reversal of 28006341288 is 88214360082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28006341283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6553656 + ... + 6557927.

It is an arithmetic number, because the mean of its divisors is an integer number (2212579800).

Almost surely, 2^28006341288 is an apocalyptic number.

It is an amenable number.

28006341288 is an abundant number, since it is smaller than the sum of its proper divisors (42796212312).

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

28006341288 is a wasteful number, since it uses less digits than its factorization.

28006341288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111681 (or 13111677 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 28006341288 in words is "twenty-eight billion, six million, three hundred forty-one thousand, two hundred eighty-eight".