117239263 has 2 divisors, whose sum is σ = 117239264. Its totient is φ = 117239262.

The previous prime is 117239189. The next prime is 117239281. The reversal of 117239263 is 362932711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117239263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117239363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58619631 + 58619632.

It is an arithmetic number, because the mean of its divisors is an integer number (58619632).

Almost surely, 2^117239263 is an apocalyptic number.

117239263 is a deficient number, since it is larger than the sum of its proper divisors (1).

117239263 is an equidigital number, since it uses as much as digits as its factorization.

117239263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 117239263 is about 10827.7081139085. The cubic root of 117239263 is about 489.4304962000.

The spelling of 117239263 in words is "one hundred seventeen million, two hundred thirty-nine thousand, two hundred sixty-three".