1117908693 has 24 divisors (see below), whose sum is σ = 1762625280. Its totient is φ = 677108160.

The previous prime is 1117908691. The next prime is 1117908731. The reversal of 1117908693 is 3968097111.

It is not a de Polignac number, because 1117908693 - 2¹ = 1117908691 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117908691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267105 + ... + 271257.

It is an arithmetic number, because the mean of its divisors is an integer number (73442720).

Almost surely, 2^1117908693 is an apocalyptic number.

It is an amenable number.

1117908693 is a deficient number, since it is larger than the sum of its proper divisors (644716587).

1117908693 is a wasteful number, since it uses less digits than its factorization.

1117908693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1117908693 is about 33435.1415878563. The cubic root of 1117908693 is about 1037.8520426842.

The spelling of 1117908693 in words is "one billion, one hundred seventeen million, nine hundred eight thousand, six hundred ninety-three".