1117793765 has 32 divisors (see below), whose sum is σ = 1490890752. Its totient is φ = 804408000.

The previous prime is 1117793749. The next prime is 1117793773. The reversal of 1117793765 is 5673977111.

It is a happy number.

It is not a de Polignac number, because 1117793765 - 2⁴ = 1117793749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 671324 + ... + 672986.

It is an arithmetic number, because the mean of its divisors is an integer number (46590336).

Almost surely, 2^1117793765 is an apocalyptic number.

It is an amenable number.

1117793765 is a deficient number, since it is larger than the sum of its proper divisors (373096987).

1117793765 is a wasteful number, since it uses less digits than its factorization.

1117793765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1780 counting only the distinct ones).

The product of its digits is 277830, while the sum is 47.

The square root of 1117793765 is about 33433.4228729276. The cubic root of 1117793765 is about 1037.8164755733.

The spelling of 1117793765 in words is "one billion, one hundred seventeen million, seven hundred ninety-three thousand, seven hundred sixty-five".