117185963 has 2 divisors, whose sum is σ = 117185964. Its totient is φ = 117185962.

The previous prime is 117185953. The next prime is 117185969. The reversal of 117185963 is 369581711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117185963 - 2²⁴ = 100408747 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117185963.

It is not a weakly prime, because it can be changed into another prime (117185969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58592981 + 58592982.

It is an arithmetic number, because the mean of its divisors is an integer number (58592982).

Almost surely, 2^117185963 is an apocalyptic number.

117185963 is a deficient number, since it is larger than the sum of its proper divisors (1).

117185963 is an equidigital number, since it uses as much as digits as its factorization.

117185963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 41.

The square root of 117185963 is about 10825.2465560836. The cubic root of 117185963 is about 489.3563157051.

The spelling of 117185963 in words is "one hundred seventeen million, one hundred eighty-five thousand, nine hundred sixty-three".