1088028085 has 4 divisors (see below), whose sum is σ = 1305633708. Its totient is φ = 870422464.

The previous prime is 1088028077. The next prime is 1088028127. The reversal of 1088028085 is 5808208801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 339075396 + 748952689 = 18414^2 + 27367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088028085 - 2³ = 1088028077 is a prime.

It is a super-2 number, since 2×1088028085² = 2367610227497534450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 108802804 + ... + 108802813.

It is an arithmetic number, because the mean of its divisors is an integer number (326408427).

Almost surely, 2^1088028085 is an apocalyptic number.

It is an amenable number.

1088028085 is a deficient number, since it is larger than the sum of its proper divisors (217605623).

1088028085 is an equidigital number, since it uses as much as digits as its factorization.

1088028085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217605622.

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 1088028085 is about 32985.2707280083. The cubic root of 1088028085 is about 1028.5214859964.

The spelling of 1088028085 in words is "one billion, eighty-eight million, twenty-eight thousand, eighty-five".