1088536805 has 4 divisors (see below), whose sum is σ = 1306244172. Its totient is φ = 870829440.

The previous prime is 1088536789. The next prime is 1088536817. The reversal of 1088536805 is 5086358801.

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 628906084 + 459630721 = 25078^2 + 21439^2 .

It is not a de Polignac number, because 1088536805 - 2⁴ = 1088536789 is a prime.

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, 108853676 + ... + 108853685.

It is an arithmetic number, because the mean of its divisors is an integer number (326561043).

Almost surely, 2^1088536805 is an apocalyptic number.

It is an amenable number.

1088536805 is a deficient number, since it is larger than the sum of its proper divisors (217707367).

1088536805 is an equidigital number, since it uses as much as digits as its factorization.

1088536805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217707366.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 1088536805 is about 32992.9811475108. The cubic root of 1088536805 is about 1028.6817600222.

The spelling of 1088536805 in words is "one billion, eighty-eight million, five hundred thirty-six thousand, eight hundred five".