117511679 has 2 divisors, whose sum is σ = 117511680. Its totient is φ = 117511678.

The previous prime is 117511663. The next prime is 117511687. The reversal of 117511679 is 976115711.

It is a strong prime.

It is an emirp because it is prime and its reverse (976115711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117511679 - 2⁴ = 117511663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117511279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58755839 + 58755840.

It is an arithmetic number, because the mean of its divisors is an integer number (58755840).

Almost surely, 2^117511679 is an apocalyptic number.

117511679 is a deficient number, since it is larger than the sum of its proper divisors (1).

117511679 is an equidigital number, since it uses as much as digits as its factorization.

117511679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 38.

The square root of 117511679 is about 10840.2803930526. The cubic root of 117511679 is about 489.8092816019.

The spelling of 117511679 in words is "one hundred seventeen million, five hundred eleven thousand, six hundred seventy-nine".