117812263 has 2 divisors, whose sum is σ = 117812264. Its totient is φ = 117812262.

The previous prime is 117812257. The next prime is 117812267. The reversal of 117812263 is 362218711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117812263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117812267) 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, 58906131 + 58906132.

It is an arithmetic number, because the mean of its divisors is an integer number (58906132).

Almost surely, 2^117812263 is an apocalyptic number.

117812263 is a deficient number, since it is larger than the sum of its proper divisors (1).

117812263 is an equidigital number, since it uses as much as digits as its factorization.

117812263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 117812263 is about 10854.1357555542. The cubic root of 117812263 is about 490.2265549597.

The spelling of 117812263 in words is "one hundred seventeen million, eight hundred twelve thousand, two hundred sixty-three".