676700639 has 2 divisors, whose sum is σ = 676700640. Its totient is φ = 676700638.

The previous prime is 676700617. The next prime is 676700669. The reversal of 676700639 is 936007676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676700639 - 2⁸ = 676700383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676700639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676700669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338350319 + 338350320.

It is an arithmetic number, because the mean of its divisors is an integer number (338350320).

Almost surely, 2^676700639 is an apocalyptic number.

676700639 is a deficient number, since it is larger than the sum of its proper divisors (1).

676700639 is an equidigital number, since it uses as much as digits as its factorization.

676700639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 676700639 is about 26013.4703375001. The cubic root of 676700639 is about 877.9413997242.

The spelling of 676700639 in words is "six hundred seventy-six million, seven hundred thousand, six hundred thirty-nine".