764247220211 has 2 divisors, whose sum is σ = 764247220212. Its totient is φ = 764247220210.

The previous prime is 764247220159. The next prime is 764247220237. The reversal of 764247220211 is 112022742467.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764247220211 is a prime.

It is not a weakly prime, because it can be changed into another prime (764247220411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382123610105 + 382123610106.

It is an arithmetic number, because the mean of its divisors is an integer number (382123610106).

Almost surely, 2^764247220211 is an apocalyptic number.

764247220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

764247220211 is an equidigital number, since it uses as much as digits as its factorization.

764247220211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 38.

Adding to 764247220211 its reverse (112022742467), we get a palindrome (876269962678).

The spelling of 764247220211 in words is "seven hundred sixty-four billion, two hundred forty-seven million, two hundred twenty thousand, two hundred eleven".