1028007856 has 10 divisors (see below), whose sum is σ = 1991765252. Its totient is φ = 514003920.

The previous prime is 1028007823. The next prime is 1028007857. The reversal of 1028007856 is 6587008201.

1028007856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1028007857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32125230 + ... + 32125261.

Almost surely, 2^1028007856 is an apocalyptic number.

1028007856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1028007856 is a deficient number, since it is larger than the sum of its proper divisors (963757396).

1028007856 is an equidigital number, since it uses as much as digits as its factorization.

1028007856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64250499 (or 64250493 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1028007856 is about 32062.5615944827. The cubic root of 1028007856 is about 1009.2501233890.

The spelling of 1028007856 in words is "one billion, twenty-eight million, seven thousand, eight hundred fifty-six".