1085263856 has 20 divisors (see below), whose sum is σ = 2134084392. Its totient is φ = 534532416.

The previous prime is 1085263819. The next prime is 1085263859. The reversal of 1085263856 is 6583625801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085263859) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 505115 + ... + 507258.

Almost surely, 2^1085263856 is an apocalyptic number.

1085263856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1085263856 is a deficient number, since it is larger than the sum of its proper divisors (1048820536).

1085263856 is a wasteful number, since it uses less digits than its factorization.

1085263856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012448 (or 1012442 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1085263856 is about 32943.3431211831. The cubic root of 1085263856 is about 1027.6497315355.

The spelling of 1085263856 in words is "one billion, eighty-five million, two hundred sixty-three thousand, eight hundred fifty-six".