1089279507 has 4 divisors (see below), whose sum is σ = 1452372680. Its totient is φ = 726186336.

The previous prime is 1089279409. The next prime is 1089279523. The reversal of 1089279507 is 7059729801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7059729801 = 3 ⋅2353243267.

It is not a de Polignac number, because 1089279507 - 2¹¹ = 1089277459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089279547) 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, 181546582 + ... + 181546587.

It is an arithmetic number, because the mean of its divisors is an integer number (363093170).

Almost surely, 2^1089279507 is an apocalyptic number.

1089279507 is a deficient number, since it is larger than the sum of its proper divisors (363093173).

1089279507 is an equidigital number, since it uses as much as digits as its factorization.

1089279507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363093172.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 1089279507 is about 33004.2346828403. The cubic root of 1089279507 is about 1028.9156612569.

The spelling of 1089279507 in words is "one billion, eighty-nine million, two hundred seventy-nine thousand, five hundred seven".