117797769 has 24 divisors (see below), whose sum is σ = 176359040. Its totient is φ = 75714912.

The previous prime is 117797767. The next prime is 117797773. The reversal of 117797769 is 967797711.

It is not a de Polignac number, because 117797769 - 2¹ = 117797767 is a prime.

It is a super-2 number, since 2×117797769² = 27752628762754722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117797767) 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 23 ways as a sum of consecutive naturals, for example, 28647 + ... + 32499.

Almost surely, 2^117797769 is an apocalyptic number.

It is an amenable number.

117797769 is a deficient number, since it is larger than the sum of its proper divisors (58561271).

117797769 is a wasteful number, since it uses less digits than its factorization.

117797769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3978 counting only the distinct ones).

The product of its digits is 1166886, while the sum is 54.

The square root of 117797769 is about 10853.4680632506. The cubic root of 117797769 is about 490.2064505582.

The spelling of 117797769 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, seven hundred sixty-nine".