676627187 has 2 divisors, whose sum is σ = 676627188. Its totient is φ = 676627186.

The previous prime is 676627157. The next prime is 676627199. The reversal of 676627187 is 781726676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676627187 - 2⁶ = 676627123 is a prime.

It is not a weakly prime, because it can be changed into another prime (676627117) 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, 338313593 + 338313594.

It is an arithmetic number, because the mean of its divisors is an integer number (338313594).

Almost surely, 2^676627187 is an apocalyptic number.

676627187 is a deficient number, since it is larger than the sum of its proper divisors (1).

676627187 is an equidigital number, since it uses as much as digits as its factorization.

676627187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 676627187 is about 26012.0584921686. The cubic root of 676627187 is about 877.9096333954.

The spelling of 676627187 in words is "six hundred seventy-six million, six hundred twenty-seven thousand, one hundred eighty-seven".