676884947 has 2 divisors, whose sum is σ = 676884948. Its totient is φ = 676884946.

The previous prime is 676884893. The next prime is 676884977. The reversal of 676884947 is 749488676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676884947 - 2²² = 672690643 is a prime.

It is not a weakly prime, because it can be changed into another prime (676884977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338442473 + 338442474.

It is an arithmetic number, because the mean of its divisors is an integer number (338442474).

Almost surely, 2^676884947 is an apocalyptic number.

676884947 is a deficient number, since it is larger than the sum of its proper divisors (1).

676884947 is an equidigital number, since it uses as much as digits as its factorization.

676884947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 59.

The square root of 676884947 is about 26017.0126455748. The cubic root of 676884947 is about 878.0210986467.

The spelling of 676884947 in words is "six hundred seventy-six million, eight hundred eighty-four thousand, nine hundred forty-seven".