117283687 has 2 divisors, whose sum is σ = 117283688. Its totient is φ = 117283686.

The previous prime is 117283643. The next prime is 117283709. The reversal of 117283687 is 786382711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117283687 - 2⁷ = 117283559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117283087) 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, 58641843 + 58641844.

It is an arithmetic number, because the mean of its divisors is an integer number (58641844).

Almost surely, 2^117283687 is an apocalyptic number.

117283687 is a deficient number, since it is larger than the sum of its proper divisors (1).

117283687 is an equidigital number, since it uses as much as digits as its factorization.

117283687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 43.

The square root of 117283687 is about 10829.7593232721. The cubic root of 117283687 is about 489.4923063086.

The spelling of 117283687 in words is "one hundred seventeen million, two hundred eighty-three thousand, six hundred eighty-seven".