117488177 has 2 divisors, whose sum is σ = 117488178. Its totient is φ = 117488176.

The previous prime is 117488167. The next prime is 117488183. The reversal of 117488177 is 771884711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107350321 + 10137856 = 10361^2 + 3184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117488177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117488167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58744088 + 58744089.

It is an arithmetic number, because the mean of its divisors is an integer number (58744089).

Almost surely, 2^117488177 is an apocalyptic number.

It is an amenable number.

117488177 is a deficient number, since it is larger than the sum of its proper divisors (1).

117488177 is an equidigital number, since it uses as much as digits as its factorization.

117488177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87808, while the sum is 44.

The square root of 117488177 is about 10839.1963262965. The cubic root of 117488177 is about 489.7766259393.

The spelling of 117488177 in words is "one hundred seventeen million, four hundred eighty-eight thousand, one hundred seventy-seven".