116705891 has 2 divisors, whose sum is σ = 116705892. Its totient is φ = 116705890.

The previous prime is 116705861. The next prime is 116705977. The reversal of 116705891 is 198507611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116705891 - 2²² = 112511587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116705861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58352945 + 58352946.

It is an arithmetic number, because the mean of its divisors is an integer number (58352946).

Almost surely, 2^116705891 is an apocalyptic number.

116705891 is a deficient number, since it is larger than the sum of its proper divisors (1).

116705891 is an equidigital number, since it uses as much as digits as its factorization.

116705891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 38.

The square root of 116705891 is about 10803.0500785658. The cubic root of 116705891 is about 488.6871576243.

The spelling of 116705891 in words is "one hundred sixteen million, seven hundred five thousand, eight hundred ninety-one".