1089308677 has 4 divisors (see below), whose sum is σ = 1153385676. Its totient is φ = 1025231680.

The previous prime is 1089308669. The next prime is 1089308719. The reversal of 1089308677 is 7768039801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7768039801 = 7789 ⋅997309.

It can be written as a sum of positive squares in 2 ways, for example, as 991872036 + 97436641 = 31494^2 + 9871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089308677 - 2³ = 1089308669 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 1089308677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089308477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32038474 + ... + 32038507.

It is an arithmetic number, because the mean of its divisors is an integer number (288346419).

Almost surely, 2^1089308677 is an apocalyptic number.

1089308677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1089308677 is a deficient number, since it is larger than the sum of its proper divisors (64076999).

1089308677 is an equidigital number, since it uses as much as digits as its factorization.

1089308677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64076998.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1089308677 is about 33004.6765928709. The cubic root of 1089308677 is about 1028.9248456770.

The spelling of 1089308677 in words is "one billion, eighty-nine million, three hundred eight thousand, six hundred seventy-seven".