6847485427 has 2 divisors, whose sum is σ = 6847485428. Its totient is φ = 6847485426.

The previous prime is 6847485389. The next prime is 6847485433. The reversal of 6847485427 is 7245847486.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6847485427 is a prime.

It is not a weakly prime, because it can be changed into another prime (6847480427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3423742713 + 3423742714.

It is an arithmetic number, because the mean of its divisors is an integer number (3423742714).

Almost surely, 2^6847485427 is an apocalyptic number.

6847485427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6847485427 is an equidigital number, since it uses as much as digits as its factorization.

6847485427 is an evil number, because the sum of its binary digits is even.

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

The square root of 6847485427 is about 82749.5343008044. The cubic root of 6847485427 is about 1898.9361936847.

The spelling of 6847485427 in words is "six billion, eight hundred forty-seven million, four hundred eighty-five thousand, four hundred twenty-seven".