116643377 has 2 divisors, whose sum is σ = 116643378. Its totient is φ = 116643376.

The previous prime is 116643367. The next prime is 116643383. The reversal of 116643377 is 773346611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113018161 + 3625216 = 10631^2 + 1904^2 .

It is a cyclic number.

It is not a de Polignac number, because 116643377 - 2⁴ = 116643361 is a prime.

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 116643377.

It is not a weakly prime, because it can be changed into another prime (116643367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58321688 + 58321689.

It is an arithmetic number, because the mean of its divisors is an integer number (58321689).

Almost surely, 2^116643377 is an apocalyptic number.

It is an amenable number.

116643377 is a deficient number, since it is larger than the sum of its proper divisors (1).

116643377 is an equidigital number, since it uses as much as digits as its factorization.

116643377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 116643377 is about 10800.1563414610. The cubic root of 116643377 is about 488.5998862648.

Adding to 116643377 its reverse (773346611), we get a palindrome (889989988).

The spelling of 116643377 in words is "one hundred sixteen million, six hundred forty-three thousand, three hundred seventy-seven".