804506720127563 has 2 divisors, whose sum is σ = 804506720127564. Its totient is φ = 804506720127562.

The previous prime is 804506720127527. The next prime is 804506720127701. The reversal of 804506720127563 is 365721027605408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804506720127563 - 2¹⁰ = 804506720126539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804506720127499 and 804506720127508.

It is not a weakly prime, because it can be changed into another prime (804506720187563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402253360063781 + 402253360063782.

It is an arithmetic number, because the mean of its divisors is an integer number (402253360063782).

Almost surely, 2^{804506720127563} is an apocalyptic number.

804506720127563 is a deficient number, since it is larger than the sum of its proper divisors (1).

804506720127563 is an equidigital number, since it uses as much as digits as its factorization.

804506720127563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 804506720127563 in words is "eight hundred four trillion, five hundred six billion, seven hundred twenty million, one hundred twenty-seven thousand, five hundred sixty-three".