117686711 has 2 divisors, whose sum is σ = 117686712. Its totient is φ = 117686710.

The previous prime is 117686663. The next prime is 117686717.

117686711 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117686711 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_6717368 and since 117686711 and 6717368 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117686717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58843355 + 58843356.

It is an arithmetic number, because the mean of its divisors is an integer number (58843356).

Almost surely, 2^117686711 is an apocalyptic number.

117686711 is a deficient number, since it is larger than the sum of its proper divisors (1).

117686711 is an equidigital number, since it uses as much as digits as its factorization.

117686711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 38.

The square root of 117686711 is about 10848.3506119594. The cubic root of 117686711 is about 490.0523489816.

The spelling of 117686711 in words is "one hundred seventeen million, six hundred eighty-six thousand, seven hundred eleven".