117807953 has 2 divisors, whose sum is σ = 117807954. Its totient is φ = 117807952.

The previous prime is 117807929. The next prime is 117807971. The reversal of 117807953 is 359708711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117657409 + 150544 = 10847^2 + 388^2 .

It is an emirp because it is prime and its reverse (359708711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117807953 - 2¹⁸ = 117545809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117807953.

It is not a weakly prime, because it can be changed into another prime (117807913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58903976 + 58903977.

It is an arithmetic number, because the mean of its divisors is an integer number (58903977).

Almost surely, 2^117807953 is an apocalyptic number.

It is an amenable number.

117807953 is a deficient number, since it is larger than the sum of its proper divisors (1).

117807953 is an equidigital number, since it uses as much as digits as its factorization.

117807953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 117807953 is about 10853.9372119061. The cubic root of 117807953 is about 490.2205767981.

The spelling of 117807953 in words is "one hundred seventeen million, eight hundred seven thousand, nine hundred fifty-three".