214506791977 has 2 divisors, whose sum is σ = 214506791978. Its totient is φ = 214506791976.

The previous prime is 214506791927. The next prime is 214506792029. The reversal of 214506791977 is 779197605412.

It is a happy number.

214506791977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120284806041 + 94221985936 = 346821^2 + 306956^2 .

It is a cyclic number.

It is not a de Polignac number, because 214506791977 - 2¹¹ = 214506789929 is a prime.

It is not a weakly prime, because it can be changed into another prime (214506791927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107253395988 + 107253395989.

It is an arithmetic number, because the mean of its divisors is an integer number (107253395989).

Almost surely, 2^214506791977 is an apocalyptic number.

It is an amenable number.

214506791977 is a deficient number, since it is larger than the sum of its proper divisors (1).

214506791977 is an equidigital number, since it uses as much as digits as its factorization.

214506791977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 214506791977 in words is "two hundred fourteen billion, five hundred six million, seven hundred ninety-one thousand, nine hundred seventy-seven".