116918447 has 2 divisors, whose sum is σ = 116918448. Its totient is φ = 116918446.

The previous prime is 116918441. The next prime is 116918449. The reversal of 116918447 is 744819611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116918447 - 2⁶ = 116918383 is a prime.

Together with 116918449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116918441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58459223 + 58459224.

It is an arithmetic number, because the mean of its divisors is an integer number (58459224).

Almost surely, 2^116918447 is an apocalyptic number.

116918447 is a deficient number, since it is larger than the sum of its proper divisors (1).

116918447 is an equidigital number, since it uses as much as digits as its factorization.

116918447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 116918447 is about 10812.8833804864. The cubic root of 116918447 is about 488.9836590517.

The spelling of 116918447 in words is "one hundred sixteen million, nine hundred eighteen thousand, four hundred forty-seven".