116555779 has 2 divisors, whose sum is σ = 116555780. Its totient is φ = 116555778.

The previous prime is 116555773. The next prime is 116555827. The reversal of 116555779 is 977555611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116555779 - 2¹⁹ = 116031491 is a prime.

It is not a weakly prime, because it can be changed into another prime (116555773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58277889 + 58277890.

It is an arithmetic number, because the mean of its divisors is an integer number (58277890).

Almost surely, 2^116555779 is an apocalyptic number.

116555779 is a deficient number, since it is larger than the sum of its proper divisors (1).

116555779 is an equidigital number, since it uses as much as digits as its factorization.

116555779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 46.

The square root of 116555779 is about 10796.1001755263. The cubic root of 116555779 is about 488.4775444378.

The spelling of 116555779 in words is "one hundred sixteen million, five hundred fifty-five thousand, seven hundred seventy-nine".