676543207 has 2 divisors, whose sum is σ = 676543208. Its totient is φ = 676543206.

The previous prime is 676543199. The next prime is 676543213. The reversal of 676543207 is 702345676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 676543207 - 2³ = 676543199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676543207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676543247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338271603 + 338271604.

It is an arithmetic number, because the mean of its divisors is an integer number (338271604).

Almost surely, 2^676543207 is an apocalyptic number.

676543207 is a deficient number, since it is larger than the sum of its proper divisors (1).

676543207 is an equidigital number, since it uses as much as digits as its factorization.

676543207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 676543207 is about 26010.4441907477. Note that the first 3 decimals coincide. The cubic root of 676543207 is about 877.8733111277.

The spelling of 676543207 in words is "six hundred seventy-six million, five hundred forty-three thousand, two hundred seven".