530756777 has 2 divisors, whose sum is σ = 530756778. Its totient is φ = 530756776.

The previous prime is 530756741. The next prime is 530756789. The reversal of 530756777 is 777657035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416608921 + 114147856 = 20411^2 + 10684^2 .

It is a cyclic number.

It is not a de Polignac number, because 530756777 - 2⁶ = 530756713 is a prime.

It is not a weakly prime, because it can be changed into another prime (530756377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265378388 + 265378389.

It is an arithmetic number, because the mean of its divisors is an integer number (265378389).

Almost surely, 2^530756777 is an apocalyptic number.

It is an amenable number.

530756777 is a deficient number, since it is larger than the sum of its proper divisors (1).

530756777 is an equidigital number, since it uses as much as digits as its factorization.

530756777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080450, while the sum is 47.

The square root of 530756777 is about 23038.1591495501. The cubic root of 530756777 is about 809.6522294097.

The spelling of 530756777 in words is "five hundred thirty million, seven hundred fifty-six thousand, seven hundred seventy-seven".