6005678947 has 2 divisors, whose sum is σ = 6005678948. Its totient is φ = 6005678946.

The previous prime is 6005678929. The next prime is 6005678951. The reversal of 6005678947 is 7498765006.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6005678947 - 2²³ = 5997290339 is a prime.

It is a super-2 number, since 2×6005678947² = 72136359228878057618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6005678894 and 6005678903.

It is not a weakly prime, because it can be changed into another prime (6005678047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002839473 + 3002839474.

It is an arithmetic number, because the mean of its divisors is an integer number (3002839474).

Almost surely, 2^6005678947 is an apocalyptic number.

6005678947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005678947 is an equidigital number, since it uses as much as digits as its factorization.

6005678947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 6005678947 is about 77496.3156995221. The cubic root of 6005678947 is about 1817.6937082506.

The spelling of 6005678947 in words is "six billion, five million, six hundred seventy-eight thousand, nine hundred forty-seven".