117707766 has 32 divisors (see below), whose sum is σ = 257803776. Its totient is φ = 35532000.

The previous prime is 117707741. The next prime is 117707771. The reversal of 117707766 is 667707711.

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 15 ways as a sum of consecutive naturals, for example, 14596 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (8056368).

Almost surely, 2^117707766 is an apocalyptic number.

117707766 is an abundant number, since it is smaller than the sum of its proper divisors (140096010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117707766 is a wasteful number, since it uses less digits than its factorization.

117707766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868.

The product of its (nonzero) digits is 86436, while the sum is 42.

The square root of 117707766 is about 10849.3209925783. The cubic root of 117707766 is about 490.0815718702.

Subtracting 117707766 from its reverse (667707711), we obtain a palindrome (549999945).

The spelling of 117707766 in words is "one hundred seventeen million, seven hundred seven thousand, seven hundred sixty-six".