676712805499 has 2 divisors, whose sum is σ = 676712805500. Its totient is φ = 676712805498.

The previous prime is 676712805497. The next prime is 676712805521. The reversal of 676712805499 is 994508217676.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 676712805499 - 2¹ = 676712805497 is a prime.

It is a super-2 number, since 2×676712805499² (a number of 24 digits) contains 22 as substring.

Together with 676712805497, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 676712805499.

It is not a weakly prime, because it can be changed into another prime (676712805491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338356402749 + 338356402750.

It is an arithmetic number, because the mean of its divisors is an integer number (338356402750).

Almost surely, 2^676712805499 is an apocalyptic number.

676712805499 is a deficient number, since it is larger than the sum of its proper divisors (1).

676712805499 is an equidigital number, since it uses as much as digits as its factorization.

676712805499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 676712805499 in words is "six hundred seventy-six billion, seven hundred twelve million, eight hundred five thousand, four hundred ninety-nine".