676906939 has 8 divisors (see below), whose sum is σ = 712863440. Its totient is φ = 640983456.

The previous prime is 676906933. The next prime is 676906987. The reversal of 676906939 is 939609676.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676906939 - 2⁵ = 676906907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676906939.

It is not an unprimeable number, because it can be changed into a prime (676906933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41617 + ... + 55549.

It is an arithmetic number, because the mean of its divisors is an integer number (89107930).

Almost surely, 2^676906939 is an apocalyptic number.

676906939 is a deficient number, since it is larger than the sum of its proper divisors (35956501).

676906939 is a wasteful number, since it uses less digits than its factorization.

676906939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16509.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The square root of 676906939 is about 26017.4352886675. The cubic root of 676906939 is about 878.0306075157.

The spelling of 676906939 in words is "six hundred seventy-six million, nine hundred six thousand, nine hundred thirty-nine".