116143427 has 2 divisors, whose sum is σ = 116143428. Its totient is φ = 116143426.

The previous prime is 116143381. The next prime is 116143429. The reversal of 116143427 is 724341611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116143427 is a prime.

Together with 116143429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116143427.

It is not a weakly prime, because it can be changed into another prime (116143429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58071713 + 58071714.

It is an arithmetic number, because the mean of its divisors is an integer number (58071714).

Almost surely, 2^116143427 is an apocalyptic number.

116143427 is a deficient number, since it is larger than the sum of its proper divisors (1).

116143427 is an equidigital number, since it uses as much as digits as its factorization.

116143427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 116143427 is about 10776.9859886705. The cubic root of 116143427 is about 487.9008171516.

The spelling of 116143427 in words is "one hundred sixteen million, one hundred forty-three thousand, four hundred twenty-seven".