28000171100704 has 48 divisors (see below), whose sum is σ = 60137240819040. Its totient is φ = 12727242626560.

The previous prime is 28000171100651. The next prime is 28000171100723. The reversal of 28000171100704 is 40700117100082.

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 7 ways as a sum of consecutive naturals, for example, 53404692 + ... + 53926444.

It is an arithmetic number, because the mean of its divisors is an integer number (1252859183730).

Almost surely, 2^{28000171100704} is an apocalyptic number.

It is an amenable number.

28000171100704 is an abundant number, since it is smaller than the sum of its proper divisors (32137069718336).

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

28000171100704 is a wasteful number, since it uses less digits than its factorization.

28000171100704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674233 (or 674225 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 28000171100704 its reverse (40700117100082), we get a palindrome (68700288200786).

The spelling of 28000171100704 in words is "twenty-eight trillion, one hundred seventy-one million, one hundred thousand, seven hundred four".