676155947 has 2 divisors, whose sum is σ = 676155948. Its totient is φ = 676155946.

The previous prime is 676155941. The next prime is 676156073. The reversal of 676155947 is 749551676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676155947 - 2¹² = 676151851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 676155895 and 676155904.

It is not a weakly prime, because it can be changed into another prime (676155941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338077973 + 338077974.

It is an arithmetic number, because the mean of its divisors is an integer number (338077974).

Almost surely, 2^676155947 is an apocalyptic number.

676155947 is a deficient number, since it is larger than the sum of its proper divisors (1).

676155947 is an equidigital number, since it uses as much as digits as its factorization.

676155947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 50.

The square root of 676155947 is about 26002.9988078298. The cubic root of 676155947 is about 877.7057780458.

The spelling of 676155947 in words is "six hundred seventy-six million, one hundred fifty-five thousand, nine hundred forty-seven".