770400563 has 2 divisors, whose sum is σ = 770400564. Its totient is φ = 770400562.

The previous prime is 770400539. The next prime is 770400613. The reversal of 770400563 is 365004077.

It is a weak prime.

It is an emirp because it is prime and its reverse (365004077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770400563 - 2²⁰ = 769351987 is a prime.

It is not a weakly prime, because it can be changed into another prime (770400503) 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, 385200281 + 385200282.

It is an arithmetic number, because the mean of its divisors is an integer number (385200282).

Almost surely, 2^770400563 is an apocalyptic number.

770400563 is a deficient number, since it is larger than the sum of its proper divisors (1).

770400563 is an equidigital number, since it uses as much as digits as its factorization.

770400563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 770400563 is about 27756.0905568490. The cubic root of 770400563 is about 916.7245539348.

The spelling of 770400563 in words is "seven hundred seventy million, four hundred thousand, five hundred sixty-three".