117267287 has 2 divisors, whose sum is σ = 117267288. Its totient is φ = 117267286.

The previous prime is 117267263. The next prime is 117267307. The reversal of 117267287 is 782762711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117267287 - 2⁶ = 117267223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117267247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58633643 + 58633644.

It is an arithmetic number, because the mean of its divisors is an integer number (58633644).

Almost surely, 2^117267287 is an apocalyptic number.

117267287 is a deficient number, since it is larger than the sum of its proper divisors (1).

117267287 is an equidigital number, since it uses as much as digits as its factorization.

117267287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The square root of 117267287 is about 10829.0021239263. The cubic root of 117267287 is about 489.4694896998.

The spelling of 117267287 in words is "one hundred seventeen million, two hundred sixty-seven thousand, two hundred eighty-seven".