1028708856592 has 20 divisors (see below), whose sum is σ = 1993148112400. Its totient is φ = 514348053408.

The previous prime is 1028708856587. The next prime is 1028708856613. The reversal of 1028708856592 is 2956588078201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028708856592.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104703 + ... + 1810465.

It is an arithmetic number, because the mean of its divisors is an integer number (99657405620).

Almost surely, 2^{1028708856592} is an apocalyptic number.

It is an amenable number.

1028708856592 is a deficient number, since it is larger than the sum of its proper divisors (964439255808).

1028708856592 is an equidigital number, since it uses as much as digits as its factorization.

1028708856592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796870 (or 796864 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 1028708856592 in words is "one trillion, twenty-eight billion, seven hundred eight million, eight hundred fifty-six thousand, five hundred ninety-two".