8204697427 has 2 divisors, whose sum is σ = 8204697428. Its totient is φ = 8204697426.

The previous prime is 8204697419. The next prime is 8204697463. The reversal of 8204697427 is 7247964028.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8204697427 - 2³ = 8204697419 is a prime.

It is not a weakly prime, because it can be changed into another prime (8204697467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4102348713 + 4102348714.

It is an arithmetic number, because the mean of its divisors is an integer number (4102348714).

Almost surely, 2^8204697427 is an apocalyptic number.

8204697427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8204697427 is an equidigital number, since it uses as much as digits as its factorization.

8204697427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 8204697427 is about 90579.7848694729. The cubic root of 8204697427 is about 2016.9146627271.

The spelling of 8204697427 in words is "eight billion, two hundred four million, six hundred ninety-seven thousand, four hundred twenty-seven".