1088687563 has 4 divisors (see below), whose sum is σ = 1089181728. Its totient is φ = 1088193400.

The previous prime is 1088687527. The next prime is 1088687591. The reversal of 1088687563 is 3657868801.

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 1088687563 - 2⁹ = 1088687051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088687563.

It is not an unprimeable number, because it can be changed into a prime (1088687503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243763 + ... + 248188.

It is an arithmetic number, because the mean of its divisors is an integer number (272295432).

Almost surely, 2^1088687563 is an apocalyptic number.

1088687563 is a deficient number, since it is larger than the sum of its proper divisors (494165).

1088687563 is an equidigital number, since it uses as much as digits as its factorization.

1088687563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494164.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 1088687563 is about 32995.2657664702. The cubic root of 1088687563 is about 1028.7292472685.

The spelling of 1088687563 in words is "one billion, eighty-eight million, six hundred eighty-seven thousand, five hundred sixty-three".