404506847827 has 2 divisors, whose sum is σ = 404506847828. Its totient is φ = 404506847826.

The previous prime is 404506847761. The next prime is 404506847851. The reversal of 404506847827 is 728748605404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404506847827 - 2¹⁵ = 404506815059 is a prime.

It is not a weakly prime, because it can be changed into another prime (404506847027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202253423913 + 202253423914.

It is an arithmetic number, because the mean of its divisors is an integer number (202253423914).

Almost surely, 2^404506847827 is an apocalyptic number.

404506847827 is a deficient number, since it is larger than the sum of its proper divisors (1).

404506847827 is an equidigital number, since it uses as much as digits as its factorization.

404506847827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 404506847827 in words is "four hundred four billion, five hundred six million, eight hundred forty-seven thousand, eight hundred twenty-seven".