105943451777 has 2 divisors, whose sum is σ = 105943451778. Its totient is φ = 105943451776.

The previous prime is 105943451771. The next prime is 105943451791. The reversal of 105943451777 is 777154349501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93532600561 + 12410851216 = 305831^2 + 111404^2 .

It is a cyclic number.

It is not a de Polignac number, because 105943451777 - 2⁸ = 105943451521 is a prime.

It is a super-2 number, since 2×105943451777² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105943451771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52971725888 + 52971725889.

It is an arithmetic number, because the mean of its divisors is an integer number (52971725889).

Almost surely, 2^105943451777 is an apocalyptic number.

It is an amenable number.

105943451777 is a deficient number, since it is larger than the sum of its proper divisors (1).

105943451777 is an equidigital number, since it uses as much as digits as its factorization.

105943451777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 105943451777 in words is "one hundred five billion, nine hundred forty-three million, four hundred fifty-one thousand, seven hundred seventy-seven".