116129977 has 2 divisors, whose sum is σ = 116129978. Its totient is φ = 116129976.

The previous prime is 116129953. The next prime is 116129983. The reversal of 116129977 is 779921611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114832656 + 1297321 = 10716^2 + 1139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116129977 is a prime.

It is not a weakly prime, because it can be changed into another prime (116129077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58064988 + 58064989.

It is an arithmetic number, because the mean of its divisors is an integer number (58064989).

Almost surely, 2^116129977 is an apocalyptic number.

It is an amenable number.

116129977 is a deficient number, since it is larger than the sum of its proper divisors (1).

116129977 is an equidigital number, since it uses as much as digits as its factorization.

116129977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 43.

The square root of 116129977 is about 10776.3619556880. The cubic root of 116129977 is about 487.8819826252.

The spelling of 116129977 in words is "one hundred sixteen million, one hundred twenty-nine thousand, nine hundred seventy-seven".