676990207 has 4 divisors (see below), whose sum is σ = 677088720. Its totient is φ = 676891696.

The previous prime is 676990199. The next prime is 676990213. The reversal of 676990207 is 702099676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 676990207 - 2³ = 676990199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676990267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38107 + ... + 52972.

It is an arithmetic number, because the mean of its divisors is an integer number (169272180).

Almost surely, 2^676990207 is an apocalyptic number.

676990207 is a deficient number, since it is larger than the sum of its proper divisors (98513).

676990207 is an equidigital number, since it uses as much as digits as its factorization.

676990207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98512.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 676990207 is about 26019.0354740525. The cubic root of 676990207 is about 878.0666089465.

The spelling of 676990207 in words is "six hundred seventy-six million, nine hundred ninety thousand, two hundred seven".