117588557 has 2 divisors, whose sum is σ = 117588558. Its totient is φ = 117588556.

The previous prime is 117588539. The next prime is 117588563. The reversal of 117588557 is 755885711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 54449641 = 7946^2 + 7379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117588557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117588517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58794278 + 58794279.

It is an arithmetic number, because the mean of its divisors is an integer number (58794279).

Almost surely, 2^117588557 is an apocalyptic number.

It is an amenable number.

117588557 is a deficient number, since it is larger than the sum of its proper divisors (1).

117588557 is an equidigital number, since it uses as much as digits as its factorization.

117588557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392000, while the sum is 47.

The square root of 117588557 is about 10843.8257547786. The cubic root of 117588557 is about 489.9160719784.

The spelling of 117588557 in words is "one hundred seventeen million, five hundred eighty-eight thousand, five hundred fifty-seven".