117869953 has 2 divisors, whose sum is σ = 117869954. Its totient is φ = 117869952.

The previous prime is 117869911. The next prime is 117869981. The reversal of 117869953 is 359968711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96275344 + 21594609 = 9812^2 + 4647^2 .

It is a cyclic number.

It is not a de Polignac number, because 117869953 - 2⁹ = 117869441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117869897 and 117869906.

It is not a weakly prime, because it can be changed into another prime (117869053) 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, 58934976 + 58934977.

It is an arithmetic number, because the mean of its divisors is an integer number (58934977).

Almost surely, 2^117869953 is an apocalyptic number.

It is an amenable number.

117869953 is a deficient number, since it is larger than the sum of its proper divisors (1).

117869953 is an equidigital number, since it uses as much as digits as its factorization.

117869953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 49.

The square root of 117869953 is about 10856.7929426696. The cubic root of 117869953 is about 490.3065595203.

The spelling of 117869953 in words is "one hundred seventeen million, eight hundred sixty-nine thousand, nine hundred fifty-three".