1089432775 has 6 divisors (see below), whose sum is σ = 1350896672. Its totient is φ = 871546200.

The previous prime is 1089432769. The next prime is 1089432791. The reversal of 1089432775 is 5772349801.

It is not a de Polignac number, because 1089432775 - 2³ = 1089432767 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 21788631 + ... + 21788680.

Almost surely, 2^1089432775 is an apocalyptic number.

1089432775 is a deficient number, since it is larger than the sum of its proper divisors (261463897).

1089432775 is an equidigital number, since it uses as much as digits as its factorization.

1089432775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43577321 (or 43577316 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 1089432775 is about 33006.5565456320. The cubic root of 1089432775 is about 1028.9639171449.

The spelling of 1089432775 in words is "one billion, eighty-nine million, four hundred thirty-two thousand, seven hundred seventy-five".