116404427 has 2 divisors, whose sum is σ = 116404428. Its totient is φ = 116404426.

The previous prime is 116404391. The next prime is 116404441. The reversal of 116404427 is 724404611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116404427 - 2¹² = 116400331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116404427.

It is not a weakly prime, because it can be changed into another prime (116404487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58202213 + 58202214.

It is an arithmetic number, because the mean of its divisors is an integer number (58202214).

Almost surely, 2^116404427 is an apocalyptic number.

116404427 is a deficient number, since it is larger than the sum of its proper divisors (1).

116404427 is an equidigital number, since it uses as much as digits as its factorization.

116404427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 116404427 is about 10789.0883303456. The cubic root of 116404427 is about 488.2660174527.

The spelling of 116404427 in words is "one hundred sixteen million, four hundred four thousand, four hundred twenty-seven".