1028986568 has 16 divisors (see below), whose sum is σ = 1929692160. Its totient is φ = 514402000.

The previous prime is 1028986547. The next prime is 1028986571. The reversal of 1028986568 is 8656898201.

1028986568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 74873 + ... + 87543.

It is an arithmetic number, because the mean of its divisors is an integer number (120605760).

Almost surely, 2^1028986568 is an apocalyptic number.

It is an amenable number.

1028986568 is a deficient number, since it is larger than the sum of its proper divisors (900705592).

1028986568 is a wasteful number, since it uses less digits than its factorization.

1028986568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22828 (or 22824 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 1028986568 is about 32077.8204995290. The cubic root of 1028986568 is about 1009.5703063851.

The spelling of 1028986568 in words is "one billion, twenty-eight million, nine hundred eighty-six thousand, five hundred sixty-eight".