1028266895 has 4 divisors (see below), whose sum is σ = 1233920280. Its totient is φ = 822613512.

The previous prime is 1028266867. The next prime is 1028266901. The reversal of 1028266895 is 5986628201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028266895 - 2¹⁰ = 1028265871 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 102826685 + ... + 102826694.

It is an arithmetic number, because the mean of its divisors is an integer number (308480070).

Almost surely, 2^1028266895 is an apocalyptic number.

1028266895 is a deficient number, since it is larger than the sum of its proper divisors (205653385).

1028266895 is an equidigital number, since it uses as much as digits as its factorization.

1028266895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205653384.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 1028266895 is about 32066.6009268210. The cubic root of 1028266895 is about 1009.3348870690.

It can be divided in two parts, 10282 and 66895, that added together give a palindrome (77177).

The spelling of 1028266895 in words is "one billion, twenty-eight million, two hundred sixty-six thousand, eight hundred ninety-five".