7764865063 has 2 divisors, whose sum is σ = 7764865064. Its totient is φ = 7764865062.

The previous prime is 7764865057. The next prime is 7764865081. The reversal of 7764865063 is 3605684677.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7764865063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7764865063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7764865093) 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, 3882432531 + 3882432532.

It is an arithmetic number, because the mean of its divisors is an integer number (3882432532).

Almost surely, 2^7764865063 is an apocalyptic number.

7764865063 is a deficient number, since it is larger than the sum of its proper divisors (1).

7764865063 is an equidigital number, since it uses as much as digits as its factorization.

7764865063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The square root of 7764865063 is about 88118.4717468477. The cubic root of 7764865063 is about 1980.2102506896.

The spelling of 7764865063 in words is "seven billion, seven hundred sixty-four million, eight hundred sixty-five thousand, sixty-three".