28270568051968 has 288 divisors, whose sum is σ = 66610751606784. Its totient is φ = 11850209280000.

The previous prime is 28270568051881. The next prime is 28270568051987. The reversal of 28270568051968 is 86915086507282.

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 31 ways as a sum of consecutive naturals, for example, 153811003 + ... + 153994693.

It is an arithmetic number, because the mean of its divisors is an integer number (231287331968).

Almost surely, 2^{28270568051968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28270568051968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33305375803392).

28270568051968 is an abundant number, since it is smaller than the sum of its proper divisors (38340183554816).

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

28270568051968 is a wasteful number, since it uses less digits than its factorization.

28270568051968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183833 (or 183819 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 28270568051968 in words is "twenty-eight trillion, two hundred seventy billion, five hundred sixty-eight million, fifty-one thousand, nine hundred sixty-eight".