116205977 has 2 divisors, whose sum is σ = 116205978. Its totient is φ = 116205976.

The previous prime is 116205967. The next prime is 116205979. The reversal of 116205977 is 779502611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112805641 + 3400336 = 10621^2 + 1844^2 .

It is a cyclic number.

It is not a de Polignac number, because 116205977 - 2¹⁰ = 116204953 is a prime.

Together with 116205979, 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 116205977.

It is not a weakly prime, because it can be changed into another prime (116205979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58102988 + 58102989.

It is an arithmetic number, because the mean of its divisors is an integer number (58102989).

Almost surely, 2^116205977 is an apocalyptic number.

It is an amenable number.

116205977 is a deficient number, since it is larger than the sum of its proper divisors (1).

116205977 is an equidigital number, since it uses as much as digits as its factorization.

116205977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 116205977 is about 10779.8876153697. The cubic root of 116205977 is about 487.9883891016.

The spelling of 116205977 in words is "one hundred sixteen million, two hundred five thousand, nine hundred seventy-seven".