116778773 has 2 divisors, whose sum is σ = 116778774. Its totient is φ = 116778772.

The previous prime is 116778749. The next prime is 116778793. The reversal of 116778773 is 377877611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 5750404 = 10537^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 116778773 - 2¹⁴ = 116762389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116778733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58389386 + 58389387.

It is an arithmetic number, because the mean of its divisors is an integer number (58389387).

Almost surely, 2^116778773 is an apocalyptic number.

It is an amenable number.

116778773 is a deficient number, since it is larger than the sum of its proper divisors (1).

116778773 is an equidigital number, since it uses as much as digits as its factorization.

116778773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345744, while the sum is 47.

The square root of 116778773 is about 10806.4227661146. The cubic root of 116778773 is about 488.7888636753.

The spelling of 116778773 in words is "one hundred sixteen million, seven hundred seventy-eight thousand, seven hundred seventy-three".