1089052279 has 8 divisors (see below), whose sum is σ = 1310138240. Its totient is φ = 884343096.

The previous prime is 1089052259. The next prime is 1089052301. The reversal of 1089052279 is 9722509801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1089052279 - 2¹³ = 1089044087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089052219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4094049 + ... + 4094314.

It is an arithmetic number, because the mean of its divisors is an integer number (163767280).

Almost surely, 2^1089052279 is an apocalyptic number.

1089052279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1089052279 is a deficient number, since it is larger than the sum of its proper divisors (221085961).

1089052279 is an equidigital number, since it uses as much as digits as its factorization.

1089052279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188389.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 1089052279 is about 33000.7920965543. The cubic root of 1089052279 is about 1028.8441109935.

The spelling of 1089052279 in words is "one billion, eighty-nine million, fifty-two thousand, two hundred seventy-nine".