116939287 has 2 divisors, whose sum is σ = 116939288. Its totient is φ = 116939286.

The previous prime is 116939267. The next prime is 116939309. The reversal of 116939287 is 782939611.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (782939611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116939287 - 2⁷ = 116939159 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 (116939237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58469643 + 58469644.

It is an arithmetic number, because the mean of its divisors is an integer number (58469644).

Almost surely, 2^116939287 is an apocalyptic number.

116939287 is a deficient number, since it is larger than the sum of its proper divisors (1).

116939287 is an equidigital number, since it uses as much as digits as its factorization.

116939287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 116939287 is about 10813.8470028015. The cubic root of 116939287 is about 489.0127101105.

The spelling of 116939287 in words is "one hundred sixteen million, nine hundred thirty-nine thousand, two hundred eighty-seven".