116208287777 has 4 divisors (see below), whose sum is σ = 116431336836. Its totient is φ = 115985238720.

The previous prime is 116208287753. The next prime is 116208287851. The reversal of 116208287777 is 777782802611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43528980496 + 72679307281 = 208636^2 + 269591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116208287777 is a prime.

It is a super-2 number, since 2×116208287777² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116208287677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111523748 + ... + 111524789.

It is an arithmetic number, because the mean of its divisors is an integer number (29107834209).

Almost surely, 2^116208287777 is an apocalyptic number.

It is an amenable number.

116208287777 is a deficient number, since it is larger than the sum of its proper divisors (223049059).

116208287777 is an equidigital number, since it uses as much as digits as its factorization.

116208287777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223049058.

The product of its (nonzero) digits is 3687936, while the sum is 56.

The spelling of 116208287777 in words is "one hundred sixteen billion, two hundred eight million, two hundred eighty-seven thousand, seven hundred seventy-seven".