1084997775 has 12 divisors (see below), whose sum is σ = 1793863112. Its totient is φ = 578665440.

The previous prime is 1084997761. The next prime is 1084997779. The reversal of 1084997775 is 5777994801.

It is not a de Polignac number, because 1084997775 - 2⁵ = 1084997743 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 (1084997779) 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 11 ways as a sum of consecutive naturals, for example, 7233244 + ... + 7233393.

Almost surely, 2^1084997775 is an apocalyptic number.

1084997775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1084997775 is a deficient number, since it is larger than the sum of its proper divisors (708865337).

1084997775 is a wasteful number, since it uses less digits than its factorization.

1084997775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466650 (or 14466645 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The square root of 1084997775 is about 32939.3044097777. The cubic root of 1084997775 is about 1027.5657395439.

The spelling of 1084997775 in words is "one billion, eighty-four million, nine hundred ninety-seven thousand, seven hundred seventy-five".